The mass-wasting event described took place in Yosemite National Park in 1996. Option B .
A layer of rock broke loose along an exfoliation joint in the park's famous recreation area, causing damage and leading to the closure of some areas.
Exfoliation joints are a type of joint that develops in rock due to release of pressure from the removal of overlying rock layers. In Yosemite, these joints often occur in a concentric pattern, creating dome-like features such as Half Dome and El Capitan. The rock fall event in 1996 was a reminder of the ongoing geological processes that shape this iconic landscape.
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Hello, can you help me please?
What refers to a country that governs itself without any outside control?
independent
temperate
sovereign
geopolitical
Answer:
Explanation:
Sovereign.
Which of the following is NOT a European Island?
Question 5 options:
Iceland
Sicily
Great Britain
Madagascar
Madagascar is not a European island. It is an island country situated off the southeast coast of Africa, in the Indian Ocean. Its closest neighbor to the west is Mozambique, which lies across the Mozambique Channel.
The correct option is D.
On the other hand, Iceland, Sicily, and Great Britain are all European islands. Iceland is a Nordic island country located in the North Atlantic, while Sicily is the largest island in the Mediterranean Sea and is a part of Italy.
Great Britain is the largest island in Europe and is located in the North Atlantic off the northwest coast of the continent. It is home to three countries: England, Scotland, and Wales. The correct option is D.
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(q019) elongate hills of glacial till that are molded by glaciers that flow over them are called group of answer choices loess. kettle holes. drumlins. eskers.
Drumlins are elongate hills of glacial till that are molded by glaciers that flow over them. They are typically teardrop-shaped with a steep slope facing the direction from which the glacier came and a more gradual slope on the other side.
Drumlins are elongated hills made of glacial till, which are formed as glaciers move over them. The shape of a drumlin is usually asymmetrical, with a steeper side facing the direction the glacier came from and a more gently sloping side on the opposite side. This distinct shape is due to the way the glacier molds the till as it moves over the hill.
Kettle holes, and eskers are not correct in this context as they refer to different glacial features: Loess: Wind-blown silt deposits that can accumulate over large areas, not specifically related to glaciers. Kettle holes: Depressions formed by melting ice blocks that were buried in glacial till. Eskers: Sinuous ridges composed of gravel and sand that were deposited by meltwater streams flowing beneath a glacier.
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Elongate hills of glacial till that are molded by glaciers that flow over them are called drumlins.
These landforms are usually oval or elongated in shape and can range from a few meters to several kilometers in length. Drumlins are typically formed from the debris and sediment that glaciers carry along with them, which gets deposited in layers and compressed over time. These landforms are often found in clusters or "swarms" and can give clues about the direction and speed of glacier movement. In contrast, loess refers to a type of wind-blown sediment, kettle holes are depressions left behind by melting ice blocks, and eskers are long ridges of sand and gravel deposited by streams that flowed under glaciers.
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in 1978, the united states banned the use of cfcs in aerosols. based on the data in the graph, which of the following best explains the effect of this ban as a solution to decrease global cfc production?
In 1978, the united states banned the use of cfcs in aerosols between 1975 and 1991, the amount of CFC in the air increased; between 1991 and 2015, it declined. CFC causes lungs and skin diseases.
CFC stands for "chloro flouro carbon," since the name implied that CFOC contains carbon, chlorine, and flourine atoms.
According to the question, CFCs are emitted from numerous cooling devices and are dangerous for both the environment and human health. As a result of the ozone layer being damaged, UV radiation will reach the ground and may result in human skin diseases or skin cancer in addition to lung diseases. Additionally, it is stated that it was prohibited worldwide in 1987, so from 1975.
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According to the CRB article, what two measures have farmers taken to protect the river basin?
By implementing these measures, farmers are working to protect the river basin and ensure a sustainable future for agriculture in the region.
According to the CRB article, farmers have taken two measures to protect the river basin. Firstly, they have implemented conservation practices that aim to reduce soil erosion and improve water quality. These practices include the use of cover crops, no-till farming, and precision agriculture. Cover crops protect the soil from erosion, reduce nutrient runoff, and enhance soil health. No-till farming helps to retain soil moisture, reduce erosion, and increase organic matter in the soil. Precision agriculture involves using technology to apply fertilizers and pesticides only where they are needed, reducing waste and environmental impact. Secondly, farmers have adopted water management strategies that aim to reduce water use and improve efficiency. These strategies include the use of drip irrigation, water monitoring systems, and water storage facilities. Drip irrigation delivers water directly to the root zone of plants, reducing evaporation and improving water efficiency. Water monitoring systems help farmers to track water usage and identify areas where improvements can be made. Water storage facilities, such as ponds or tanks, allow farmers to capture and store rainwater, reducing the need to pump water from the river.
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one city is located near the pacific coast of california. another, approximately the same size, is located far inland at the same latitude. what difference, if any, would be expected in the average temperatures of these two cities? there would be no difference because both cities are in california. there would be no difference because the cities are approximately the same size. the coastal city will be cooler because ocean currents give off heat before reaching shore. the inland city will be cooler because it receives no heat from ocean currents. the coastal city will be cooler because oceans moderate climate.
There would be a difference in the average temperatures between the two cities.
The coastal city is expected to be cooler because of the moderating effect of the ocean on climate. Ocean currents give off heat before reaching the shore, which helps to keep the coastal city cooler. On the other hand, the inland city is expected to be warmer because it receives no heat from ocean currents. Therefore, the location near the pacific coast of California can significantly affect the average temperatures of a city.
The coastal city, being near the Pacific coast of California, will experience a more moderate climate due to the influence of ocean currents. The inland city, on the other hand, will not receive the same moderating effect from the ocean and may experience more extreme temperature fluctuations. This results in the coastal city generally having cooler average temperatures compared to the inland city at the same latitude.
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In coral reefs, coral polyps contain single-celled photosynthetic algae called zooxanthellae. Coral polyps sweep organic material from the water and metabolize it, forming CO2 and nitrogenous wastes. Zooxanthellae use CO2 and nitrogenous wastes in photosynthesis to form oxygen and sugars, which in turn are used by coral polyps and dinoflagellates for metabolism. When the water becomes too warm, as is occurring in many areas as a result of climate change, the corals expel their zooxanthellae. This interspecies interaction is _______, and if the interaction were disrupted, you would expect the coral population to _______.
commensalism; decrease and possibly undergo local extinction
mutualism; decrease and possibly undergo local extinction
commensalism; not be affected
consumer−resource; almost definitely undergo local extinction
This interspecies interaction is mutualism, and if the interaction were disrupted, you would expect the coral population to decrease and possibly undergo local extinction
This is because both species benefit from the interaction - coral polyps receive sugars and oxygen that zooxanthellae produce through photosynthesis, while zooxanthellae receive CO2 and nitrogenous waste produced by coral polyps. However, when the water becomes too warm, the corals expel their zooxanthellae, disrupting this mutualistic interaction. Without their zooxanthellae, corals lose their primary source of energy and may experience bleaching, which can lead to a decrease in coral populations and possibly local extinction. The loss of coral populations can have cascading effects on entire reef ecosystems, impacting the many other species that depend on them for food and shelter.
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Body waves are seismic waves that travel inside Earth: _____ waves compress the material they travel through and are faster than _____ waves, which impact a motion perpendicular to the direction of wave propagation
Body waves are seismic waves that travel inside Earth and are responsible for transmitting the energy generated by an earthquake. There are two types of body waves: primary waves (P-waves) and secondary waves (S-waves).
P-waves are longitudinal waves that compress and expand the material they travel through, while S-waves are transverse waves that vibrate perpendicular to the direction of wave propagation. P-waves have higher velocities than S-waves, meaning they travel faster and can pass through both solid and liquid materials. On the other hand, S-waves can only travel through solid materials because liquids lack the rigidity to support the shearing motion of S-waves. The behavior of these two types of waves provides important information about the internal structure and composition of Earth.
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According to the Chowan River Basin article, which is not true about the Atlantic sturgeon? It is a federally endangered species., It is only found in the Chowan river Basin., It has not been recorded in the CRB in 100 years.
According to the Chowan River Basin article, the statement that "It is only found in the Chowan River Basin" is not true about the Atlantic sturgeon.
The Atlantic coast of North America, comprising the rivers and estuaries from Labrador to Florida, is home to the federally endangered Atlantic sturgeon. While the Chowan River Basin is one of the species' traditional range areas, it is not the only one where it can be found.
In truth, the article mentions that although there used to be a lot of Atlantic sturgeon in the Chowan River, it hasn't been seen there in more than a century. The population of Atlantic sturgeon in the area and across its range has been drastically reduced as a result of overfishing, habitat loss, and other causes.
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According to the CRB article, what is the reason for the decrease in dioxin in the Chowan River?
The decrease in dioxin levels in the Chowan River can be attributed to a combination of factors, including improved regulations and enforcement, increased public awareness, and remediation efforts.
The CRB article states that the decrease in dioxin levels in the Chowan River can be attributed to various factors. One of the main reasons for this decline is the implementation of stricter regulations on industrial waste management and disposal. Industries that release hazardous chemicals and pollutants into the river have been required to adopt cleaner technologies and better disposal practices, which has resulted in a reduction in dioxin levels in the water.
Another factor that has contributed to the decrease in dioxin levels is the increased awareness and concern among the public and government agencies about the environmental impact of industrial pollution. This has led to increased monitoring and enforcement of regulations, which has resulted in better compliance from industries.
Furthermore, efforts have been made to clean up historical contamination sites along the riverbank and to remediate polluted sediments in the riverbed. This has resulted in a reduction in the overall contamination levels in the river.
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What is the westernmost country on the mainland of africa south of the sahara?.
Answer: Senegal
Explanation:
which igneous rock has the same chemical composition as basalt, but a different grain size?multiple choice granite diorite rhyolite gabbro
Basalt igneous rocks would you be most likely to find the mineral (Mg,Fe)2SiO4. Basalt is a type of fine-grained, dark-colored volcanic rock that is formed from the rapid cooling and solidification of lava flows.
It is one of the most common types of volcanic rock on Earth and is found in many parts of the world. Basalt typically contains high concentrations of iron and magnesium, giving it a dark color and a relatively high density. It is a mafic rock, meaning it is rich in iron and magnesium and low in silica. Basalt is often used as a construction material due to its strength and durability, and it also has various industrial applications, including as a source of crushed stone and as a component of asphalt and concrete. Basaltic lava flows also have important ecological roles, as they can create new land and contribute to soil formation.
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Full Question ;
In which of the following igneous rocks would you be most likely to find the mineral (Mg,Fe)2SiO4?
andesite
basalt
granite
rhyolite
Which one of the following variables is continuous?A) The number of automobiles produced by Ford B) The daily high temperature in Chicago C) The number of years of formal education a person has had D) The manufacturer of an automobile
The variable that is continuous is B) The daily high temperature in Chicago. This is because temperature is a continuous measurement that can take on any value within a certain range, whereas the other variables listed are discrete measurements that can only take on certain values.
Continuous variables can take on any value within a specified range, and they are measured rather than counted. In this case, the daily high temperature in Chicago can have any value within a certain range, including fractions, which makes it a continuous variable. On the other hand, options A, C, and D are discrete variables. Discrete variables are those that can only take on specific, separated values and are often counted. For instance: A) The number of automobiles produced by Ford can only be whole numbers, such as 1, 2, or 3, and not fractions like 1.5. C) The number of years of formal education a person has had is also a whole number, as you cannot have, for example, 3.2 years of formal education. D) The manufacturer of an automobile represents a categorical variable, as it refers to distinct categories or groups, such as Ford, Toyota, or Honda, without any numerical value. So, among the given options, the daily high temperature in Chicago is the only continuous variable, while the others are discrete or categorical variables.
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What classifications of water would apply to aquifers such as the ogallala aquifer located in the u.s. great plains?
Answer:
Explanation:
The Ogallala Aquifer, which is located in the U.S. Great Plains, is classified as a groundwater resource. Groundwater refers to water that is stored in underground formations, such as aquifers, and can be accessed through wells and springs.
In terms of water quality classification, the Ogallala Aquifer is generally considered to be a high-quality source of water, with low levels of dissolved minerals and other contaminants. However, the quality of the water in the aquifer can vary depending on the location, depth, and other factors.
In the United States, the classification of water resources is typically based on their designated uses, such as drinking water, industrial use, irrigation, and recreation. The Ogallala Aquifer is used primarily for agricultural irrigation, but it also provides drinking water for many communities in the Great Plains region. Therefore, the water in the Ogallala Aquifer can be classified as both a groundwater resource and a drinking water source.
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Which of the following lists the correct sequence of divisions in the geologic time scale, from largest to smallest? A) era, eon, epoch, period B) eon, era, period, epoch C) epoch, era, eon, period D) period, eon, era, epoch
The correct sequence of divisions in the geologic time scale, from largest to smallest, is eon, era, period, and epoch. Therefore, option B, "eon, era, period, epoch," is the correct answer.
The geologic time scale is a system of chronological measurement that divides Earth's history into distinct intervals based on geological and paleontological events. The largest division is the eon, which is divided into eras, and eras are further subdivided into periods, which are then subdivided into epochs. This system provides a framework for understanding the history of the Earth and the evolution of life over time.
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drinking water in los angeles comes from which river? question 8 options: a) ohio b) colorado c) chattahoochee d) mississippi
Answer:
None of the options are correct
Explanation:
Water comes from the Los Angeles Aqueduct
when rain falls on land, what factors influence the amount of water that soaks in? please select all that apply.
When rain falls on land, the factors that influence the amount of water that soaks in are intensity of rainfall, the nature of the surface material, the steepness of the slope and the amount of vegetation on the surface.
Our planet's water is transported in a variety of methods. The water cycle refers to this. The majority of life on Earth depends on the water cycle, which moves minerals and modifies the terrain. Precipitation, infiltration, and runoff are key elements of the water cycle for hydrologists.
Water that falls to the Earth's surface as precipitation comes from the atmosphere. Rainfall that seeps into the soil is known as infiltration. Rainfall that doesn't seep into the ground but instead flows toward streams is known as runoff. Water flowing in streams over the Earth's surface is known as streamflow. Evaporation is the process by which water moves from the Earth's surface back to its atmosphere after changing state from liquid to gas. Water withdrawn from the soil and released into the atmosphere by plants is referred to as transpiration.
The complete question is, "When rain falls on land, what factors influence the amount of water that soaks in? Select all that apply.
A. the intensity of rainfall
B. the nature of the surface material
C. the steepness of the slope
D. the amount of vegetation on the surface"
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An atmospheric scientist used a high-resolution camera to take images of snowflakes during a snowstorm. The scientist observed that the snowflakes were heavily rimed. What can the atmospheric scientist infer about the snowstorm that was happening at that time?.
Rimed snowflakes occur when supercooled water droplets freeze onto the surface of the snowflakes, resulting in a rough, irregular appearance.
This process typically occurs in conditions where the temperature of the air is near or slightly above freezing, but the temperature of the snowflake itself is below freezing. Additionally, heavily rimed snowflakes suggest that the snowstorm was likely prolonged and had a relatively low intensity.
This is because heavier snowfall rates typically result in less rimed snowflakes due to the limited amount of time that the snowflakes are exposed to the supercooled water droplets.
Overall, the observation of heavily rimed snowflakes provides valuable information about the atmospheric conditions during the snowstorm and can be used to better understand and predict future weather patterns.
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What is the most efficient path to sail against the wind?.
The most efficient path to sail against the wind is to use a technique called tacking.
What is it?Tacking involves sailing at an angle to the wind, known as close-hauled, and then turning the boat sharply to the opposite angle, crossing through the wind.
This allows the boat to make progress against the wind by zigzagging back and forth. To make this technique even more efficient, sailors should adjust their sails and weight distribution to optimize speed and minimize drag.
By using tacking and making small adjustments, sailors can navigate effectively against the wind and reach their destination efficiently.
Hence, the answer is tacking.
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The graph above shows CO2 measurements taken from Mauna Loa, Hawaii, and the Vostok ice core, which was drilled from ice sheets in Antarctica.Which of the following hypotheses is best supported by the graph?
The Vostok record shows that CO2 concentrations have not been as high in the past 800,000 years, suggesting that human activities are responsible for the recent increase.
The Vostok record refers to a series of ice core samples collected from the Vostok Station in Antarctica. These ice cores provide a record of the Earth's climate and atmospheric composition over the past 800,000 years, making it one of the longest continuous climate records available.
By analyzing the ice cores, scientists have been able to study changes in temperature, greenhouse gas concentrations, and other climate variables over a vast timescale. The record has revealed cycles of ice ages and warm periods, as well as the impact of human activities on the atmosphere in recent decades. The Vostok record has been instrumental in developing our understanding of the Earth's climate history, and it continues to be a valuable resource for climate researchers today.
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which shoreline type has submerged shorelines from likely tectonic activity? question 5 options: a) ria b) delta c) alpine d) fjord
The shoreline type that has submerged shorelines from likely tectonic activity is Ria.
Hence, the correct answer is option A.
What is Ria Shoreline or Coastline?A ria coast features multiple estuaries separated by ridges, formed by either global sea level rise or local land sinking. The resulting estuary is often much larger than the river that feeds it.
The term "ria" comes from the Galician language and originally referred to submerged river valleys with a specific structure, but it has since been expanded to include other flooded river valleys regardless of structure. Rias are found all along the Galician coast in Spain.
Some examples of ria coastlines include the the West Coast of Ireland, the Brittany coast in France, and the south coast of Norway.
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Because of voluntary soil erosion practices, how many tons of soil do not erode every year?
These voluntary practices have been successful in preventing significant amounts of soil erosion each year. However, it is important to continue to promote and encourage these practices to ensure the long-term health and sustainability of our soil and natural resources.
Voluntary soil erosion practices such as conservation tillage, cover cropping, and contour farming have significantly reduced the amount of soil that erodes each year. According to the United States Department of Agriculture (USDA), these practices have helped to prevent the erosion of an estimated 1 billion tons of soil annually in the United States. This is a significant accomplishment, as soil erosion can have numerous negative impacts on the environment, including reduced soil fertility, increased sedimentation in waterways, and decreased water quality.
Conservation tillage, for example, involves leaving crop residues on the soil surface to protect against erosion and improve soil health. Cover cropping involves planting a crop specifically to protect the soil during fallow periods and improve soil health. Contour farming involves plowing and planting crops along the contour lines of the land to reduce the amount of runoff and erosion that occurs.
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would you be able to estimate the temperature off the coast of madagascar (the mozambique channel), based on measurements on caracas, venezuela?
No, it is not possible to estimate the temperature off the coast of Madagascar based on measurements in Caracas, Venezuela. This is because these two locations are geographically distant and have different weather patterns and ocean currents that affect temperature.
Temperature is affected by a variety of factors such as latitude, altitude, distance from the equator, ocean currents, and atmospheric pressure. The Mozambique Channel is located in the Indian Ocean and is influenced by the Agulhas Current, which brings warm water from the tropics. Caracas, on the other hand, is located in the northern hemisphere and experiences a tropical climate influenced by the Caribbean Sea.
Furthermore, temperature measurements are affected by local factors such as land use, vegetation cover, and urbanization, which can vary greatly between different regions. Therefore, it is not possible to accurately estimate the temperature off the coast of Madagascar based solely on measurements in Caracas, Venezuela.
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the water table group of answer choices is always located beneath the ground surface. rises to a higher elevation during the dry season. usually lies within a few meters of the surface in deserts. mimics the topography of the land it underlies.
Answer:
mimics the topography of the land it underlies.
Explanation:
What is the name of the area west of the Ural Mountains with rich soil called Chernozem?
A) Fertile Triangle
B) Llanos
C) Black Earth Belt
D) Siberia
The name of the area west of the Ural Mountains with rich soil called Chernozem is Black Earth Belt.
The correct option is C.
The Black Earth Belt, also known as the Chernozem region, is an area located west of the Ural Mountains in Russia. It is called the Black Earth Belt because of the rich, dark soil that is found in this region. The soil is rich in organic matter, which makes it very fertile and suitable for agriculture.
The region covers a vast area of land and includes several countries such as Russia, Ukraine, and Kazakhstan. The area contains some of the world's most productive agricultural land, and it is a major source of grain and other crops. Wheat, corn, sunflowers, and sugar beets are some of the crops that are grown here.
The Black Earth Belt is an important region for agricultural production and has been for centuries. The area's fertile soil has made it an attractive place for human settlement since ancient times. The region's climate, with cold winters and warm summers, is also ideal for agriculture. The correct option is C.
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how are the beach and bay sides of barrier islands different? question 13 options: a) beaches have stronger wave action b) bays have stronger wave action c) barrier island beaches tend to form landward d) bays have tend to form seaward
The beach and bay sides of barrier islands differ in that beaches have stronger wave action, while bays tend to form seaward.
Barrier islands are narrow strips of sand that form offshore from a mainland. The beach side of a barrier island faces the open ocean, which is characterized by stronger wave action that shapes the beach and erodes the sand. On the other hand, the bay side of a barrier island faces a relatively calm body of water, where the wave action is weaker and sediment can accumulate, resulting in the formation of new land. The bay side also tends to form seaward, meaning the shoreline gradually extends out to the sea, while the beach side tends to form landward, where the shoreline migrates toward the mainland.
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What was a negative impact of the Industrial Revolution on Great Britain?
factory investments
increased wealth
increased trade
environmental issues
Answer:
One negative impact of the Industrial Revolution on Great Britain was environmental issues. The rapid industrialization led to the release of pollutants and chemicals into the air, water, and soil, causing significant environmental damage. Factories produced large amounts of waste, which often ended up in rivers, contaminating them and making them unfit for drinking and agriculture. The use of coal for energy resulted in high levels of air pollution, which caused respiratory problems and other health issues for people living in the cities. The Industrial Revolution also led to deforestation, soil erosion, and other forms of environmental degradation. These negative impacts on the environment had long-lasting effects and continue to be a problem today.
the origin for a utm coordinate defining a location in the northern hemisphere is measured as a distance in meters from
The origin for a UTM coordinate defining a location in the Northern hemisphere is measured as a distance in meters from zero at the equator in a northerly direction.
Each UTM zone has a central meridian that intersects with the equator as its point of origin. The central meridian of each zone is set to 500000 metres East in order to avoid dealing with negative values.
The equator is regarded as the origin for northings in the northern hemisphere. A position 10,000,000 metres south of the equator is designated as the origin for northings in the southern hemisphere.
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The complete question is:
The origin for a utm coordinate defining a location in the northern hemisphere is measured as a distance in meters from ____.
What u. S. Peninsula, explored by captain cook, experienced a tidal wave that destroyed its main port?.
The US peninsula that was explored by Captain Cook and experienced a devastating tidal wave that destroyed its main port was the Hawaiian Peninsula.
This natural disaster occurred in 1778 during Cook's third and final voyage to the Pacific Ocean. Cook and his crew were the first Europeans to set foot on the islands and began charting and mapping the area. However, on February 14, 1779, a massive tidal wave struck the island of Hawaii, also known as the Big Island, destroying the port of Kealakekua Bay where Cook's ship, the HMS Resolution, was docked. The wave caused significant damage to the ship and killed several crew members, including Cook himself. The tragedy left a lasting impact on Hawaiian history and is still remembered to this day.
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once saltwater intrusion occurs, groundwater is unusable for human consumption. question 5 options: a) true b) false
The answer is True. Once saltwater intrusion occurs, groundwater becomes unusable for human consumption due to the high salinity levels.
Once saltwater intrusion occurs, the groundwater becomes too salty for human consumption and cannot be used without treatment. This is because saltwater intrusion happens when saltwater from the ocean or other saltwater sources infiltrates freshwater aquifers, contaminating the groundwater and making it unsuitable for drinking or irrigation purposes.
It can occur naturally or as a result of human activities such as over-pumping of groundwater or coastal development. However, with the right treatment processes, saltwater can be made potable for human consumption.
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