The stars which fuse hydrogen atoms into helium atoms inside their core are main sequence stars.
Almost all the stars including The Sun are main sequence stars. The main sequence stars generally weighs around 1/10th of the solar mass to 200x solar masses. They fuse hydrogen into helium using nuclear fission to fight against the gravitational force.
Main sequence stars can have life span for about 10-20 million years to 100 billion years, the lifespan really depends on the mass of the star as more massive stars burns faster.
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2. Identify the error in each of the following observation station reports.
What is Earth's average angular speed?.
Earth's average angular speed is the speed at which it rotates around its own axis, measured in degrees per unit of time.
The Earth completes one full rotation on its axis in 24 hours or 86,400 seconds. The Earth's angular speed is measured in degrees per second (°/s), and to find the average angular speed, we need to find the number of degrees the Earth rotates through in one day and divide it by the number of seconds in one day.
The Earth rotates through 360 degrees in one day, so the average angular speed is: Angular speed = (360 degrees) / (86,400 seconds) = 0.00416667 degrees/second
To convert it to radians per second:
Angular speed = (360 degrees) * (π/180) / (86,400 seconds) = 7.2921158 x 10^-5 radians/second
Note that this is the average angular speed of Earth, which is the same for any point on the surface of Earth, but the actual angular speed at any point on the surface of Earth varies slightly due to the effects of the Earth's oblateness and rotation around the sun.
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how have the countries of central asia been governed over the centuries?
The past of the many peoples who have inhabited Essential Asia is central to our understanding of the region. Such people's lifestyle is mostly influenced by the terrain and climate of the region.
Agriculture in the area is challenging due to the area's aridity, and its isolation from the sea prevents significant trade. As a result, the area saw the development of few large cities. For thousands of years, the region was ruled by horse-riding steppe nomads.
Conflict characterized the interactions between the steppe nomads and the established inhabitants of Central Asia. The nomadic way of life was perfectly suited to combat, and because of the deadly tactics and prowess of their horse archers, the steppe horse riders became some of the most militarily powerful people in the world. Occasionally, tribal leaders or shifting circumstances would lead to the organization of multiple tribes into a single military force, which would then frequently launch conquest expeditions, especially into more "civilized" areas.
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the geologic time scale was created by one scientist, nicholas steno. True or False
The statement 'the geologic time scale was created by one scientist, Nicholas Steno' is false as other scientists were also involved in the creation of the geologic time scale.
Nicholas Steno is often credited with creating the geologic time scale, but this is not the case.
In fact, the geologic time scale was the result of contributions from numerous scientists over several centuries.
Steno's key contributions include the principles of superposition, which states that older rocks are found below younger rocks, and the principle of original horizontality, which states that sedimentary rock layers were originally deposited in a horizontal position.
While these contributions were important to the development of the geologic time scale, they were only part of a much larger picture.
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Which of the following is NOT one of the four aspects of toddler development? Responses Chemical Chemical Physical Physical Emotional Emotional Social
An option that is not one of the four aspects of toddler development is A. Chemical
What are the aspects of toddler development ?Kid will continue to develop rapidly in the five areas of physical, cognitive, emotional and social, language, and sensory and motor skills during the toddler years.
Between the ages of one and two, toddlers will become better at remembering recent events after learning to distinguish recognizable people and items.
The "terrible twos" moniker is frequently attributed to the conflicting emotions that emerge at this age. Children continue to form close relationships with their family members between the ages of 12 and 24 months, while also expressing a desire to become more autonomous.
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Which type of weathering is responsible for the green patina that forms on the copper skin of the Statue of Liberty?
A. Hydrolysis
B. Oxidation
C. Dissolution
D. Carbonization
famous archaeological site in jordan crossword clue
The well-known archaeological site Petra is located in the desert in southwest Jordan.
In the southwest of Jordan, in the Wadi Mousa, or Valley of Moses, are the beautiful remains of ancient Petra. Petra, the former seat of the Edomite Kingdom, was taken by Nabataean invaders in 300 BC, solidifying their control of the area. It served as the Nabatean Kingdom's capital. It is referred known as the "Rose City" because of the tombs and temples that are carved into the pink sandstone cliffs that may be reached via a small canyon called Al Siq. The 45-meter-tall Al Khazneh, also known as The Treasury and with an elaborate Greek-style exterior, is arguably the most well-known building there.
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The distribution of natural resources depend on ____, ____, and ____.A.terrainB.climateC.distance from the seaD.altitude
Natural resource distribution is influenced by a variety of physical aspects, including terrain, climate, and altitude. These elements differ from location to place on earth and are not universal. As a result, we observe an unequal distribution of resources around the globe.
Natural resources are those that are present (on the earth) but are not influenced by human activity.These are the resources that are created naturally from materials found in the environment. Natural resources include things like air, water, sunlight, soil, rock, plants, animals, and fossil fuels.Natural resources are substances derived from the earth, substances such as food, building and clothing materials, fertilisers, metals, water, and geothermal energy. Natural resources are substances that occur naturally and are useful to man or could be useful under conceivable technological, economic, or social circumstances. Natural resources have always been the purview of the natural sciences.
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on march 22 what season is it in the southern hemisphere?
Answer:
Autumn.
Explanation:
The Northern and Southern Hemispheres are flipped. This means that when it's summer in the Northern Hemisphere, it will be winter in the Southern.
Let's write out a quick season list:
Northern Hemisphere: Spring, Summer, Autumn, Winter
Now, the Southern Hemisphere is reversed: Autumn, Winter, Spring, Summer
March lies around the Spring season, so when it's Spring in the Northern Hemisphere, it will be Autumn in the Southern Hemisphere.
How did the Soviet Union respond to the 1986 Chernobyl nuclear disaster?
A) They replaced all existing nuclear plants with newer, safer nuclear plants.
B) They shut down all nuclear plants.
C) Nuclear safety standards were improved and dangerous plants were shut down.
D) The socialist republic (now Ukraine) was permanently closed to human settlement.
The way that the Soviet Union responded to the 1986 Chernobyl nuclear disaster was C) Nuclear safety standards were improved and dangerous plants were shut down.
What happened after the 1986 Chernobyl nuclear disaster?To lessen radioactive contamination at and around the facility, the Soviet government destroyed and buried nearly a square mile of pine forest close to the plant. The last reactor at Chernobyl shut down in December 2000 after three others were restarted and eventually shut down permanently.
In response, the International Chernobyl Project was established by the IAEA, which conducted a visit to the damaged areas and produced a thorough report on radioactive effects and safety precautions. Standards for nuclear safety were raised, and hazardous plants were shut down.
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a high point or ridge that determines the direction rivers flow
A Divide is the high point or ridge that determines the direction rivers flow.
A divide is a high point or ridge that divides two drainage basins. It is typically formed by geographic features such as mountains, hills, or plateaus, and it determines the direction in which rivers flow.
A divide acts as a barrier for water, with upstream and downstream sections of the same river being separated by the divide.
This barrier prevents water from flowing from one drainage basin to another, and instead determines the direction in which the water will flow.
This is why it is important to know where the divides are located when you are looking at a map or navigating an area.
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5
Question 2/10
What is the contour interval on this topographic map?
806
-700
600
O
400
9
400. The contour interval on a topographic map is the vertical distance between contour lines.
What is topographic map?A topographic map is a detailed and accurate two-dimensional representation of a three-dimensional land area. It is a type of map that shows the shape, elevation, and features of the land surface, such as rivers, roads, and buildings. Topographic maps are made using contour lines, which are lines that join points of equal elevation. These maps are used in a variety of scientific, recreational, and governmental applications, such as planning, surveying, and engineering. They are also used by hikers to determine the terrain and elevation changes of a particular area.
The contour interval is usually expressed in feet or meters. In this case, the contour interval is 400 feet, as indicated by the label at the bottom of the map.
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What planet orbits around the sun every 365. 25 Earth days?.
Answer:
No planet
Explanation:
Mercury has an orbital period of 88 days. That is the shortest orbital period in the solar system. Hence, no planet orbits the sun in 25 days.
texas, known as tejas, was a mexican state populated by
Which of the following lists of geological periods is in the correct order, from oldest to most recent?
Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian
The correct order of the geological period is Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian. Based on the Earth's geological period record, the geologic time scale is a depiction of time.
The geological period of the Paleozoic Era and the Phanerozoic Eon were both preceded by the Cambrian Period. The Cambrian Period, which began at the start of the Ordovician Period 485.4 million years ago and ended 538.8 million years ago, lasted 53.4 million years.
The second of the Paleozoic Era's six geologic periods, the Ordovician, is a period and system. Between the conclusion of the Cambrian Period 485.4 million years ago and the beginning of the Silurian Period 443.8 million years ago is the Ordovician, a period of 41.6 million years.
From the conclusion of the Ordovician Epoch, 443.8 million years ago, to the start of the geological period of the Devonian Period, 419.2 million years ago, the Silurian is a geologic period and system that spans 24.6 million years. It is the Paleozoic Era's smallest time frame.
From the end of the Silurian, 419.2 million years ago, to the start of the Carboniferous, 358.9 million years ago, the Devonian geologic epoch and system of the Paleozoic era lasted for 60.3 million years.
From the conclusion of the Devonian Epoch, 358.9 million years ago, to the start of the Permian Period, 298.9 million years ago, the Carboniferous geologic period and system of the Paleozoic lasted 60 million years.
From the conclusion of the geological period of the Carboniferous Epoch 298.9 million years ago to the start of the Triassic Period 251.9 million years ago, the Permian geologic period and stratigraphic system span a period of 47 million years. It is the last period of the Paleozoic Era.
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which boundary is associated with the building of the himalaya mountains?
Mountain ranges are produced when two continental plates collide. This kind of convergent plate boundary produced the magnificent Himalaya Mountains.
When two continental plates meet, it forms a convergent plate boundary. The continental lithosphere is quite thick and has a low density. The lithosphere of a continent cannot subduct. Therefore, when two continental plates meet, they simply crash into one another. Similar to what happens when you place your hands on opposite sides of a piece of paper and pull them together, this also occurs. The only direction the material can go is up (see figure below)! Earthquakes and metamorphic rocks are produced as a result of the collision's extremely strong forces. But magma cannot penetrate the crust because it is too thick. Therefore, there are no volcanoes in the areas where two continents collide.
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Which i the correct layer of rock equence in order from OLDEST to YOUNGEST? edpuzzle
Based on the law of superposition, the correct layer of rock sequence in order from oldest to youngest is E, B, C, D, A. (Option B)
The law of superposition is a major principle of stratigraphy which states that within a sequence of layers of sedimentary rock, the oldest layer is located at the base and the layers are progressively younger with ascending order in the sequence. Scientists use this principle to determine the relative ages of rock strata, or layers. Hence, the layers are superimposed on top of another. The youngest layer is located at the top. Based on this, layer E is oldest which followed by B and C. The younger layers are D and A.
Note: The question is incomplete. The complete question probably is: Which is the correct layer of rock sequence in order from oldest to youngest? A) A, B, C, D, E B) E, B, C, D, A C) E, D, C, B, A D) C, B, A, D, E
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In a web diagram, list
six elements in the study of geography (hint: use the headings in
this section). Then explain how
each is applied.
Answer:
i
Explanation:
don't
know
kgv♥️fiv
what is the longitude of a town whose time is 10am when the green Wich time is 6:00 pm
if the distinction between GMT and nearby time is three hours, then the distinction in longitude ought to be 3 x 15o.
If neighborhood time is ahead of GMT then the neighborhood longitude must be East of the Greenwich Meridian and if neighborhood time is behind GMT the longitude need to be West.
What will be time at a area 10 degree longitude from Greenwich if it is 12 noon at Greenwich?The right answer is 4 pm. Concept: As we comprehend that Greenwich Meridian Time (GMT) is located at 0o longitude. When we move closer to the east of GMT, it takes 4 minutes to pass every degree of longitude.
The places which are placed on 82 stages 30'W longitude are Southampton Island, Canada, United States, Cuba, and Panama. The time when it is 9 a.m. in India in these nations will be 10:30 p.m.
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Answer:
The light year is a convenient and manageable unit of distance for measuring the distance between objects in space, the reason for why is due to measurements distances in space being so big that a large unit of distance is required.
Three types of
trade
economics
migration
are cyclic, migratory, and periodic.
Answer: ask your tacher
Explanation:
a narrow waterway connecting two larger bodies of water
Answer:
strait
Explanation:
A narrow waterway connecting two larger bodies of water
A strait is a narrow body of water that connects two larger bodies of water. It may be formed by a fracture in an isthmus, a narrow body of land that connects two bodies of water.
Where are the headquarters are, bodies of the united nations and their functions, how many countries are included, what was their main goal, 5 permanent members of the Security Council,
The United Nations is headquartered on international territory in New York City, with satellite offices in Geneva, Nairobi, Vienna, and The Hague.
The United Nations currently has 193 member states, and its work are guided by the purposes and principles outlined in its founding Charter.
What is the role of United Nations as an international body?The United Nations' primary function is to maintain international peace and security. The Chapter 6 of its Charter provides for the peaceful resolution of disputes through the Security Council's intervention, using methods such as negotiation, mediation, arbitration, and judicial decisions.
The Security Council has the authority to investigate any dispute or situation to determine whether it poses a threat to international peace and security. The council may recommend appropriate procedures or methods of adjustment at any stage of the dispute, and if the parties fail to settle the dispute peacefully, the council may recommend terms of settlement.
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Which body of water is located directly west of Saudi Arabia? A. the Arabian Sea. B. the Indian Ocean. C. the Persian Gulf. Dhe Red Sea
d) The Red Sea is located directly west of Saudi Arabia.
Seven countries and three bodies of water surround Saudi Arabia. The Gulf of Aqaba and the Red Sea form a nearly 1,800 km (1,100 mi) coastal border to the west that extends to the southern part of Yemen and follows a mountain ridge for approximately 320 km (200 mi) to the vicinity of Najran.
The Gulf of Aden in the west connects the Arabian Sea to the Red Sea via the Bab-el-Mandeb strait, and the Gulf of Oman in the northwest connects the Arabian Sea to the Persian Gulf.
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german scientist that developed theory of continental drift
The theory of continental drift, which holds that Earth's continents move, was put forth by German scientist Alfred Wegener.
The scientist Alfred Wegener is most closely connected with the concept of continental drift. Wegener wrote a paper outlining his notion that the continents were "drifting" across the Earth, occasionally crashing through oceans and into one another, in the early 20th century. He referred to it as continental drift.
Between 1912 and 1929, he published a substantial amount of convincing fossil and geological evidence in support of his theory, but most other scientists disregarded it. The concept of continental drift didn't enter the mainstream of science until the 1960s.
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The complete question is:
Name the German scientist who developed the theory of Continental drift.
What country was against NATO first, enemy of NATO, Who is the biggest contributor
Answer:
the Soviet Union
Explanation:
I'm pretty sure that's the answer.
examples of mistaken toponyms
O Rio? 4 Places in the Americas Named By Mistake
NOME, ALASKA. For a short time the home of a lucrative (and tragic) gold rush, Nome likely did not come from an Alaskan Native word but from a typo.
IDAHO
THE WEST INDIES
BARBADOS AND BERBUDA
A _____________ is a funnel shaped windstorm.
Responses
(A.) hurricane
(B.) thunderstorm
(C.) tornado
(D.) typhoon
Answer:
A __tornado__ is a funnel shaped windstorm.
(C.) tornado
approximately how many years ago did modern homo sapiens appear in africa?
Answer:
about 300,000 years ago
Which part of the electromagnetic spectrum can humans sense without using equipment or technology?
a. radio waves
b. visible light
c. microwaves
d. X-rays
Humans are only sensitive to a relatively limited portion of the electromagnetic spectrum that is associated with light. It is visible light.
The area of the electromagnetic spectrum that is visible to human eyes is known as the visible light spectrum. Simply put, this group of wavelengths is referred to as visible light. Usually, the human eye is capable of detecting wavelengths between 380 and 700 nanometers.
Only a small amount of electromagnetic radiation, which we refer to as visible light, can we perceive, whereas all electromagnetic energy is light. Our eyes' cone-shaped cells function as wavelength-tuned receivers for electromagnetic waves in this specific band. For the biological restrictions on our perception, other parts of the spectrum have wavelengths that are either too big or too small and energetic. The colors of the rainbow are separated into their individual wavelengths as visible light travels through a prism. While violet has a wavelength of roughly 380 nanometers, red is about 700 nanometers.
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