All of the following are classifications describing how rock and other materials move downslope: Fall, slide, slump, creep, flow
Fall: refers to the free falling of rock or other materials, such as a rockfall.Slide: refers to the downhill movement of rock or other materials along a distinct surface, such as a rockslide.Slump: refers to the downhill movement of rock or other materials along a curved surface, such as a landslip.Creep: refers to the slow downhill movement of rock or other materials caused by gravity, often caused by freeze-thaw cycles, wetting and drying, and other weathering processes.Flow: refers to the downhill movement of rock or other materials in a fluid-like manner, such as a mudflow or debris flow.Learn more about rock and other material move downslope https://brainly.com/question/29425651
#SPJ4
Briefly compare the earthly city and the heavenly city that Augustine speaks about in The City of God.
Augustine said that the city of Hippo is where the human spirit lives, and that the earthly city contains all human affairs.
Augustine the Hippopotamus is also known as Saint Augustine in the Catholic Church. The City of God is a book written by Augustine of Hippo, believed to have been inked in the early 5th century. It is written in Latin, as English has not yet been discovered.
It occupies an important place in Christian literature. The title of City of God is defined as a city that is balanced and ultimately rewards its worshipers, also endowed with eternal qualities. Thus, the title of City of God was defined by Augustine with the above characteristics. The City of God was defined as stable, eternal, and the source of ultimate reward for effort.
Learn more about City of God here:
https://brainly.com/question/1287596
#SPJ4
Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern.
A. bar-built
B. coastal plain
C. fjord
D. reverse
E. tectonic
what is done with the overburden (waste rock) that is removed from mountaintop removal sites? it is deposited into mining tunnels in closed coal mines. it is stored close to the site and used to help restore the area after mining is finished. it is dumped into neighboring valleys. it is crushed and used as construction material.
The most recommended option is the one that has the least environmental impact and can help to mitigate the impacts of mining on the local landscape and ecosystem.
Mountaintop removal is a type of mining that involves the removal of the upper layers of a mountain or hill to access the coal seams beneath. This process generates a significant amount of waste rock, also known as overburden, which needs to be disposed of. The management and disposal of overburden can have a significant environmental impact and it's crucial that it's done in a responsible and sustainable way.
One of the most common ways to dispose of overburden is to deposit it into mining tunnels in closed coal mines. This is known as backfilling and it's a way of returning the overburden back into the mine, thus reducing the environmental impact. This method is often used when the mine is no longer active and the tunnels are no longer in use. It can be used to fill in voids created by the mining process and can help to prevent subsidence, which is the sinking of the land surface caused by the removal of coal.
Another option is to store overburden close to the mining site and use it to help restore the area after mining is finished. This can include using the overburden to rebuild the mountain or hill that was removed, creating a new landscape and ecosystem. This method can also be used to create new habitats and environments for wildlife, or to create landforms that are suitable for recreational activities.
Learn more about Mountaintop at : https://brainly.com/question/13956724
#SPJ4
What adaptations enable aquatic life to exist underground?
In species that live underground, sensory adaptations like antennae, chemoreceptors, and touch receptors are typically highly developed.
These species can frequently survive on very little food because they frequently have a very slow metabolism. The term "neural adaptation" also refers to sensory adaptation. The repetition of the same stimulus over time is the main cause of this adaptation response. The person's sensory reaction to that stimulus is reduced.
This adaptation enables the individual to recognize the ongoing changes in their environment. The body's mechanoreception system is crucial to the process of sensory adaptation. Ecosystems that depend on groundwater for support are known as groundwater dependent ecosystems. These areas consist of springs and seeps, caves and karst systems, as well as communities of deeply rooted plant life (phreatophytes). Rivers, wetlands, and lakes are frequently also mentioned.
LEARN ABOUT SENSORY ADAPTATION
https://brainly.com/question/12993657
#SPJ4
if you removed the atlantic ocean, why do the coasts of north and south america seem to fit together with the coasts of europe and africa?
Answer:
They were once connected.
Explanation:
Many years ago, the Americas were connected to Europe and Africa, but due to tectonic plate movement over millions of years, they drifted apart but still appear as if they could fit together like a jigsaw puzzle.
what are three problems that have resulted from china having a delimited boundary in the south china sea
In the South China Sea, multiple sovereign entities, including Brunei, the People's Republic of China (PRC), Taiwan (Republic of China/ROC), Indonesia, Malaysia, the Philippines, and Vietnam, all have competing island and maritime claims.
The three problems that have resulted from China having delimited boundary in the southern China sea are
Territorial disputes: China's delimited boundary in the South China Sea has led to disputes with neighboring countries such as the Philippines, Vietnam, and Malaysia, who also claim sovereignty over some of the islands and maritime areas within the delimited boundary.Tensions with the United States: China's delimited boundary in the South China Sea has also led to tensions with the United States, which has criticized China's territorial claims and has conducted freedom of navigation operations in the area to challenge China's claims.Environmental degradation: The delimited boundary in the South China Sea has led to increased fishing and industrial activity in the area, which has resulted in environmental degradation, including the destruction of coral reefs and the depletion of fish stocks.To learn more about South China sea
https://brainly.com/question/12066126
How is the amazon river a barrier?
check all that apply.
a. it runs 6,400 kilometers, splitting the continent.
b. tributaries are long and fanned out, splitting up the land.
c. it's hard to reach through the rain forest.
d. the water is often polluted with mercury.
The Amazon River is an incredible barrier due to its length, its tributaries, its location in the rainforest, and its water quality. It is a massive obstacle in the South American landscape and a formidable challenge to anyone wishing to cross it.
The Amazon River is a major barrier to the continent of South America. It runs over 6,400 kilometers, splitting the continent from north to south. The river is so vast that it has many tributaries that split up the land and make it difficult to reach by land. Additionally, the Amazon River is surrounded by a dense rain forest, adding a further barrier of inaccessibility.
The Amazon River is also incredibly polluted. It is estimated that over 60 tons of mercury enter the river each year due to illegal mining and other activities in the region. This mercury pollution makes it difficult to use the river for transportation and other activities, as it can cause adverse health effects to those living in the area.
Overall, the Amazon River is both a physical and environmental barrier. It is extremely long, and its tributaries split up the land and make it hard to access. Additionally, its water is polluted with mercury, making it difficult to utilize for transportation and other activities. Together, these factors make the Amazon River a major barrier to the continent of South America.
Learn more about Amazon River at : https://brainly.com/question/19251182
#SPJ4
Answer: Tributaries are long and fanned out, splitting up the land.
It runs 6,400 kilometers, splitting the continent.
Its hard to reach through the rain forest.
Explanation:
an area of water saturated, unconsolidated sediment may respond during an earthquake by becoming weak and unable to support structures built upon it. the sediment may respond like quicksand and structures can partially sink into the sediment. this is a process known as:
An area of water saturated, unconsolidated sediment may respond during an earthquake by becoming weak and unable to support structures built upon it. the sediment may respond like quicksand and structures can partially sink into the sediment. this is a process known as liquefaction.
About LiquefactionLiquefaction is a fact where the strength and stiffness of the soil is reduced due to earthquakes or other ground movements. This means a process or incident of changing the soil properties from a solid state to a liquid state, caused by cyclic loads during an earthquake so that the pore water pressure increases to approach or exceed the vertical stress. Liquefaction has been responsible for a large amount of damage in the history of earthquakes around the world.
Liquefaction occurs in saturated soils, i.e. soils in which the spaces between the individual particles are completely filled with water. This water exerts a pressure on the soil particles that affects how tightly the particles themselves are pressed together. Before the earthquake, the water pressure was quite low. however, earthquake vibrations can cause the water pressure to increase to the point where soil particles can easily move against one another.
Earthquake vibrations often trigger an increase in water pressure but related construction activities such as blasting can also cause an increase in water pressure. when liquefaction occurs the strength of the soil decreases and the ability of soil deposits to support the foundations for buildings and bridges decreases.
Learn more about liquefaction at https://brainly.com/question/674563.
#SPJ4
What is the full form of PKVY ?
State it's one objective.
Answer:
pkvy means paramparagat krishi vikas yojana
Explanation:
one of the objective is to help develop sustainable models of organic farming through mixing of traditional farming and modern science to ensure long term soil fertility buildup
Events Before,
During, and After
Eruption
#1 Bulge builds
#2 Landslide
#3 Lateral Blast
#4 Ash Plume
Temporal Scale of
Change
Did the event change
land or water features in
seconds, minutes,
hours, days, years,
thousands of years or
millions of years?
Constructive, Destructive, or Both?
A lateral eruption, also known as a lateral blast, is a volcanic eruption that emerges from a volcano's flanks as opposed to its summit.
Mt. St. Helens—was it a lateral blast?The massive Mount St. Helens avalanche in 1980 had the same impact as plucking the cork from a very agitated soda bottle. When the mountain's side was removed, the volcanic gases erupted out of the volcano's side, creating a lateral boom.
Why did Mt. St. Helens lateral explosion occur?Malone claimed that the magma within the volcano climbed to the top asymmetrically, which is what caused that sideways explosion. This most likely occurred because the magma followed internal volcano paths that had been carved out by several years' worth of eruptions.
To learn more about volcanic eruption here:
https://brainly.com/question/3060831
#SPJ1
I’m stuck on this question ♀️
Three pairs of side lengths measurements of the right triangle are HI= 7- GI= 14, GH=8- GI= 16.
What do you mean by right triangle?A right triangle is a particular kind of triangle with a 90° angle. Trigonometry is based on right triangles and the relationships between their sides and angles.
The hypotenuse of a right triangle, which is the side of the triangle that faces the 90° angle, is the longest side of the triangle. The hypotenuse is the side that faces the right angle. Legs are the sides that meet at the right angle.
Side a can be thought of as the side that is opposite angle A and next to angle B, whereas side b is the side that is next to angle A and next to angle B.
A right triangle is considered to be a Pythagorean triangle and its three sides are referred to as a Pythagorean triple if the lengths of all three of its sides are integers.
Learn more about right triangle, here
https://brainly.com/question/29285631
#SPJ1
A plate moving at a rate of 3 cm a year i moving toward a plate that i 1,500 km away in how many year will they collide
This estimate of 500 million years, is a rough estimate, as it doesn't take into account other factors that can affect plate movement such as the type of plate boundary and the strength of the plate boundary.
In the case of a plate moving at a rate of 3 cm a year towards a plate that is 1,500 km away, it can be challenging to predict when the collision will occur. However, by using the relative velocity of the plates and the distance between them, it is possible to estimate the time it will take for them to collide.To calculate the time it will take for the plates to collide, we need to divide the distance between the plates by the relative velocity at which they are moving towards each other.Distance between the plates = 1500 km
Relative velocity = 3 cm/yearTime = distance / velocity
Time = 1500 000 000 cm / 3 cm/year
Time = 500,000,000 years
Plate tectonics is a complex and dynamic process that is influenced by various factors. The estimate of 500 million years for the collision of two plates moving at a rate of 3 cm/year and 1,500 km apart, is a rough estimate based on the relative velocity and distance between the plates, but other factors such as the type of plate boundary, strength of the plate boundary, and changes in direction or velocity can affect the time of collision.
Therefore, understanding the movement of plates, which is a result of complex interactions between the Earth's mantle and lithosphere, and predicting future geological events, is a challenging task that requires ongoing research and monitoring.
Learn more about Plate tectonics at : https://brainly.com/question/19317822
#SPJ4
Answer: a. 50,000,000 years
Explanation:
the dead sea is a location where high evaporation rates occur what can yo conclude about the water in the dead sea
In Dead Sea it will have a higher salinity than a sea with a low rate of evaporation.
briefly:-
The situation surrounding the Dead Sea is best summarized by this assertion. True, the Dead Sea has a higher salinity than seas with low evaporation rates. The Deas Sea is in reality particularly renowned for its extreme salinity. The lowest water body on Earth's surface, it also has the lowest elevation.
In what capacity does evaporation affect the Dead Sea?The lake's water has evaporated more than it has been replenished because of the dry climate. The Dead Sea is one of the saltiest bodies of water in the world because as water evaporates, salts are left behind.
To know more about Dead Sea visit:-
https://brainly.com/question/12194165
#SPJ1
What type of plate boundary (divergent, convergent, or transform) would you expect to find at each of the following locations: between the Nazca Plate (1) and South American Plate:
At the boundary between the Nazca Plate and the South American Plate, you would expect to find a convergent plate boundary.
This is because the Nazca Plate is an oceanic plate, while the South American Plate is a continental plate. When two plates of this type collide, a convergent plate boundary is created.
This type of boundary is characterized by subduction, where one plate slides beneath the other. This collision can also result in mountain formation and volcanism.
This type of boundary occurs when two plates move towards each other, usually resulting in one plate being forced underneath the other. The convergence between these plates is responsible for the formation of the Andes Mountains, as well as other features associated with subduction zones.
To learn more about boundary, click here:
https://brainly.com/question/30050559
#SPJ4
The idea that sediments spread out in all directions until they either thin out or run into a barrier can be explained by which of Steno's principles?Oprinciple of original lateral continuityOprinciple of superpositionOprinciple of original horizontalityOprinciple of faunal succession
The correct option (A)principle of original lateral continuity.
Steno understood that the idea of superposition in stratified (layered) rocks was the key to tying time to rocks while working in the mountains of western Italy. In summary, each sedimentary rock layer (also known as a "bed") is older than the one above it and younger than the one below it.
He reasoned that sediments and other elements converted to stone and formed rock strata. The law of superposition, the principle of original horizontality, the concept of lateral continuity, and the principle of cross-cutting interactions were all created by Steno.
Steno's law of superposition states that layers of rock are organized in a temporal sequence, with the oldest on the bottom and the youngest on top, until later processes disrupt this arrangement.
Learn more about Steno's principles to visit this link
https://brainly.com/question/13754761
#SPJ4
ONE difference between world cities and meta-cities
A world city, also known as a global city, is a city that serves as a vertex in the world economic network.
A mega city is defined by population measure. A mega city is a city with more than 10 million people.
Megacities are defined by population count, while a global city is defined by political, economical and diversity factors. Megacities can be found in developed und undeveloped countries. Example, Seoul in South Korea.
A world city is a focal point of global economic system.
Example of World cities will be: London, New York and Paris.
To learn more about global cities:
https://brainly.com/question/859234
https://brainly.com/question/12449318
Mega-cities vs global cities Global cities, sometimes referred to as world cities, are often the most important cities in the world in terms of economic and cultural impacts. These cities, such as London, New York and Paris, are not always the largest cities, but they play an important role in economic links with other countries.
Using a globe, determine the latitude and longitude of the following cities. Be sure to indicate if the location is north or south latitude, and east or west longitude. Indicate Latitude and longitude to the nearest whole degree (round down if less than 30': round up ir 30 or more) City Latitude Longitude (a) Chicago, Illinois ______ ______(b) Tokyo, Japan ______ ______(c)Sydney, Australia ______ ______(d) Singapore ______ ______(e) Buenos Aires, Argentina ______ ______
a) Chicago: 42° N latitude and 88° W longitude
b) Tokyo, Japan: 36° N latitude and 140° E longitude
c) Sydney Australia: 34° S latitude and 151° E longitude
d) Singapore: 1.34° N latitude and 103.8° E longitude
e) Buenos Aires, Argentina: 35° S latitude and 59° W longitude.
Latitude is the distance measured north or south of the equator. It is measured with 180 imaginary circles which are known as parallels. Some circles of latitude are named such as the tropic of Cancer and the tropic of Capricorn.
Longitude measures the east-west direction of the prime meridian. The lines of longitude are also known as meridians that run north to south. They are furthest from the equator and meet at the poles.
Learn more about the Latitudes and Longitudes:
https://brainly.com/question/28173702
2. Explain why mid-latitude cyclones usually only occur in South Africa during winter.
Answer:
This is because mid-latitude cyclones migrate further north during winter, allowing the edge of the cold front arm to sweep across the southern most part of the country. The interior is dry and cold in winter, with subsiding air from strong high pressure systems.
Explanation:
https://www.wits.ac.za/news/latest-news/opinion/2019/2019-02/scientists-split-on-south-africas-winter-and-summer-rainfall-zones.html#:~:text=This%20is%20because%20mid%2Dlatitude,from%20strong%20high%20pressure%20systems.
A line passes through the points (4,15) and (9,20) Write a linear function rule in terms of x and y for this line.
The coordinates (4,17) and are on a line (7,20).
Y= 1x+13 is the formula for a linear function.
How to find the linear function?One or two variables with no exponents are required for a function to be considered linear.
A straight line forms the graph of the function.
Example Given:
The coordinates (4,17) and are on a line (7,20).
Y=mx+b, where m is the slope, is the linear function.
Using a formula, let's determine slope.
m = y2 - y1 /x2 - x1
(4,17) and (7,20)
m = 20 - 17 / 7-4 = 1
The slope of the given line using these points is 1.
Let's utilize slope to determine function rule y at any one location, such as (4,17).
y=mx+b
m=1 and x and y are each 4 and 17.
17 = 1 (1) + b
17 = 1 + b
17 - 1 = b
13 = b
Write the equation with the value of "b" changed.
Y= 1x+13 is the formula for a linear function.
The Complete Question.
To Learn more About linear function Refer TO:
https://brainly.com/question/4025726
#SPJ1
Like pages from a book, this sample pulls apart in thin sheets of a dark see through black layers. Due to its nature of see through dark sheets the geologist has determine this to not be a metallic material opting more for virtuous appearance.
Based on the description provided, it sounds like the sample in question is likely a type of metamorphic rock, specifically a type of schist.
Schist is a type of metamorphic rock that is known for its foliation, or layering, which forms thin sheets that can be easily split apart. Schist is typically composed of minerals such as mica, feldspar, and quartz, which give it a dark and often shiny appearance. Because of the see-through black layers and the virtue appearance, it is unlikely to be a metallic material.
This indicates that the rock is made up of mineral grains that can be seen clearly using a low-power hand lens and are orientated to make the rock readily break into thin flakes or plates.
Learn more about metamorphic rock here:https://brainly.com/question/2379467
#SPJ4
Your question is incomplete, but most probably, the complete question is:
Try to identify the following based on their description by a field geologist: Like pages from a book, this sample pulls apart in thin sheets of a dark see through black layers. Due to its nature of see through dark sheets the geologist has determine this to not be a metallic material opting more for virtuous appearance
Which of the following accurately describes the relationship between the Atmosphere, Geosphere, and Hydrosphere? O the Atmosphere and Geosphere are coupled, but behave independently of the Hydrosphere O All 3 are controlled independently of each other. O the Atmosphere and Hydrosphere are coupled, but behave independently of the Geosphere.O All 3 are coupled.
Answer:
O All 3 are coupled.
Explanation:
please help im not sure
Which mineral is generally debe only un gneiss or high-grade schist??
Muscovite or biotite crystals are generally readily visible in schist, the next higher grade rock. The highest grade metamorphic rock is called gneiss, and it has bands of quartz, feldspar, and/or mica that are readily visible.
Why Is schist high?Schist normally develops during localized metamorphism that occurs alongside the formation of mountains, and it typically exhibits a medium grade of metamorphism. Rocks of all types, including volcanic rocks like tuff and sedimentary rocks like mudstones, can combine to make schist.
Although their shared material is quartz, only microscopic equipment can reveal it in slate. However, to the unaided eye, quartz is shown in some really fascinating ways in schist and gneiss.
Thus, Muscovite or biotite crystals are generally readily visible in schist, the next higher grade rock.
For more information about schist high, click here:
https://brainly.com/question/14046954
#SPJ1
Why were Europeans so interested in colonizing land in Africa?
A.Religious Freedom
B.Better economy
C.Famine in Europe
D.Availbility of natural resources
Because there were so many raw materials available in Africa, Europeans were very interested in colonizing the continent. As a result, choice (D) is the best way to respond.
What Propelled Europe to Colonize Africa?Three key reasons—economic, political, and social—led European imperialism's advance into Africa. Following the abolition and prohibition of the slave trade, as well as the acceleration of the European capitalist Industrial Revolution, it emerged in the nineteenth century.
Many European nations actively established colonies in Africa during this time in order to exploit and sell Africa's resources and thereby grow their empires. Africa was the location of raw materials including gold, diamonds, rubber, and lumber. Europeans also want the preservation of trade routes.
Hence, option (D) is accurate.
Learn more about European colonization, from:
brainly.com/question/29783213
#SPJ1
what did geologists study in the early 1900s to learn more about the earth’s layers?
Answer:
In the early part of the 20th century, geologists studied the vibrations (seismic waves) generated by earthquakes to learn more about the structure of the earth's interior. They discovered that it is made up of these distinct layers: the crust, the mantle, and the core.Geologists record the seismic waves and study how they travel through Earth. Different types of seismic waves behave differently. The speed of the waves and the paths they take reveal the structure of the planet. Using data from seismic waves geologists have learned that Earth's interior is made up of layers.
Plato argued that people have different talents and abilities so society will function best if each person plays the role for which he or she is best suited. T/F?
Plato argued that people have different talents and abilities so society will function best if each person plays the role for Justice as Merit best suited. True.
Plato thinks that competing interests within society may be reconciled. He suggests a reasonable, logical, and just political system that leads to a harmonic oneness of society and allows each of its elements to grow, but not at the expense of others.
Part of Plato's argument for the need for morality in order to be really happy is based on a study of the four cardinal virtues: knowledge, bravery, moderation, and justice.
Plato defends the premise of the virtue-based eudemonistic model of ethics, which states that human well-being (eudaimonia) is the greatest goal of moral thinking and activity, and the virtues are the necessary talents and dispositions to achieve it.
Learn more about Plato ethics to visit this link
https://brainly.com/question/9014920
#SPJ4
Identify the two cultural impacts of European Colonization in Latin America. (select all that apply)
Select 2 correct answer(s)
A) Brazil Speaks Portuuguese
B) Steel Drum Music
C) Deforestation
D) Mestizos
deforestation and mestizos were the two main impact of colonization.
When did the colonization take place?On the Caribbean island of San Salvador in 1491, if you were a member of an indigenous tribe, you had no way of knowing that your world was about to undergo a profound shift. The European conquest and colonization of the Americas began on October 12, 1492, when Christopher Columbus arrived in San Salvador. Steel and gunpowder weapons were examples of superior technology that the Europeans had. But most importantly, deadly Eurasian illnesses like smallpox, influenza, and measles served as quiet friends for the Europeans. The confluence of these elements prepared the route for European prosperity and helped them bolster their strength in colonising latin america.
To learn more colonization of latin america visit:
https://brainly.com/question/19826375
#SPJ1
how wide is the english channel at its narrowest point ?
The wide is the English channel at its narrowest point is 34 km.
Southern England and northern France are divided by the English Channel, usually referred to as the Channel or just the Channel. The Strait of Dover, which is located at its northeastern end, connects it to the southern portion of the North Sea.
The Channel played a significant role in Britain's development as a naval powerhouse and has been used as a natural defence mechanism to thwart several attempted invasions, including those of Napoleonic Wars and Adolf Hitler during World War II.
English and French are the two most widely spoken languages in the area surrounding the English Channel, while the majority of the population is concentrated on the English shore.
To learn more about English channel, refer
https://brainly.com/question/8929008
#SPJ4
dams are often used to create irrigation water reservoirs. describe two positive and two negative effects that a large dam would have on the immediate area around it.
The beneficial effects a large dam would have on its immediate surroundings are that it would generate affordable power and provide flood control, but the negative effects are that it would be expensive to construct and reduce fish migration.
The economic, environmental, and social benefits of dams include recreation, flood control, water supply, hydroelectric generation, waste management, river transportation, and habitat for wildlife. In the United States, dams provide some of the best recreational opportunities. Dams are crucial for producing energy and providing potable water. However, they have significant negative effects on air quality, water quality, aquatic ecology, land, terrestrial fauna, and plants.
To learn more about dam, click here:
https://brainly.com/question/1436160
#SPJ4
what countries are connected by the trans-siberian railway?
The Trans-Siberian Railway is a railway line that runs from Moscow, Russia to Vladivostok, Russia.
The total length of the railway is 5,753 miles, making it the longest railway line in the world. The Trans-Siberian Railway connects many countries in Europe and Asia. It passes through Russia, Mongolia, China, and North Korea.
In Russia, the railway passes through Moscow, Yekaterinburg, Novosibirsk, Irkutsk, Ulan-Ude, Chita, and Khabarovsk. The railway also passes through Mongolia, connecting Ulan Bator to the Russian border. In China, the railway passes through Beijing, Tianjin, and Harbin. In North Korea, it connects Pyongyang to the Chinese border.
The Trans-Siberian Railway has been in operation since 1916 and is now a major trade route between Europe and Asia. It is also a popular tourist attraction, with many people taking the long journey to experience the unique culture and landscapes of the countries it connects.
Learn more about culture visit:
https://brainly.com/question/9801391
#SPJ4
