Why are most volcanoes found at plate boundaries ?

( subject science )

Answers

Answer 1

Answer:

Most volcanoes are found at plate boundaries because when the plates move, or pull apart, magma rises to the exterior and hardens.

More of the magma starts to spring up and becomes the lava that people see in volcanoes.

When the plates start to shift and slide, the volcano will erupt, causing earthquakes.


Related Questions

What gas from the list below is a cause for global warming?
1.Oxygen
2.Carbon Dioxide
3.Urethane

Answers

Answer:

Carbon dioxide

Explanation:

Fossil fuel combustion; Deforestation; Cement production

The gas which is a cause of global warming was Carbon dioxide. Thus, option 2nd is correct.

What is Global warming?

The term "global warming" refers to the rise in global temperatures caused mostly by rising levels of greenhouse gases in the atmosphere. "Climatic change" refers to the gradual changes in climate measurements over time, such as precipitation, temperature, and wind patterns.

Carbon dioxide enters the atmosphere as a consequence of the combustion of fossil fuels (coal, natural gas, and oil), solid waste, trees, and other biological materials, as well as some chemical processes.

Human Activity Is to Blame for Rising Greenhouse Gas Concentrations. The use of fossil fuels such as coal and oil has raised the concentration of carbon dioxide in the atmosphere during the last century. Hence, option 2nd is correct.

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2. True or false. Weather forcasting is the analysis of scientific data to understand previous weather conditions. A. true B. false​

Answers

Answer:

False

Explanation:

A weather FOREcast is the prediction of weather beFORE it comes. When you  hear the 7 day forecast on the news, they are predicting the temperatures and precipitation and other natural things that happen.

Answer:

false

may be this will help you

Ukraine became known as the "breadbasket of Europe" because _____.

the Ukrainian people are known for their baking
it is the only country to raise wheat used for bread
of its rich farmland that produced plentiful crops
its crops were stolen by Communist rulers

Answers

Answer:

The country was once known as the breadbasket of Europe, owing to its large agricultural industry.

Explanation:

Answer:

2nd one

Explanation:

Remote sensing would be helpful in finding information on which of the following?

A. The population density in Madrid

B. Housing patterns in Italy

C. Cancer rates in Singapore

D. The number of rivers in China

E. Education levels in Germany

Answers

Answer:

A

Explanation:

A ____________ is the result of water being sucked up into the low pressure vacuum of a tropical cyclone, and then hitting land at levels up to 25 feet above normal high tides.

Answers

Answer:

The answer is "storm surge".

Explanation:

The storm surges associated with the wave, as well as, the winds may induce coastal floods, its most destructive environmental events of geological nature likely due to loss of life and property.

Its temporary growth is mainly due to wind in a storm or coastal tempest. Its low pressure is also important because wind movement on the ocean's surface flows from around the eye of the hurricane creates visual access to the ocean.

what is the economic system of western Europe; what was the economic system of the soviet union?
A.command; socialism
B.free enterprise; command
C.socialism; free enterprise
D.socialism; command

Answers

Answer:

B.free enterprise; command

Explanation:

PLEASE HELP!

There are 5 clues, which country are they describing? ​

Answers

I think this is Saudi Arabia

The hydrosphere refers to the total amount of water on Earth, including liquid, gas, and solid forms. Which is one way the hydrosphere has been impacted by the movement of the continents over time?

Answers

Answer:

A

Explanation:

Answer: a. Glaciers that once covered South Africa have melted and can no longer form.

Explanation:

Argentina exports meat and wheat why

Answers

Answer:

because

Explanation:

they make wheat and meat

Which situation would deplete freshwater

Answers

Answer:

To deplete freshwater consumption of the water must be greater than the renewal rate. If the precipitation collected it does not mean it depleted, it can be still used later on.

A rhombus has vertices at (0, 2), (3, 4), and (6, 2). What are the coordinates of the fourth vertex?
(3, −1)

(3, 0)

(3, 1)

(2, 0)

Answers

Answer:

(3,0)

Explanation:

Find the value of x
40 degrees x 18

Answers

Answer:

Solve for

x

by simplifying both sides of the equation, then isolating the variable.

x

=

11.57017697

Explanation:

any special points about Nepal??​

Answers

Answer:

1. An Extreme Territory among Giants.

2. The Highest Mountains on Earth.

3. The Deepest Canyon On Earth.

4. The Original Name Of Mount Everest.

5. The Nepal’s Capital Was Once A Lake.

6. Hinduism Is The Most Important Religion In The Land Of Buddha.

7. Home of Endangered Animals.

8. The Legend Of Yeti, The Abominable Snowman.

9. The Greatest Concentration Of Places Recognized By UNESCO.

10. The Fearsome Gurkhas At Service Of United Kingdom.

11. The Calendar in Nepal.

12. Nepales Eat Every Day Dal Bhat.

Which adaptations allow thermophiles, a type of bacteria, to live within the hot springs of Yellowstone National Park? (Select all that apply.)

the ability to live in a highly acidic environment

the ability to consume insets

the ability to withstand very hot temperatures

the ability to eat parasites

Answers

Answer:

the ability to live in a highly acidic environment

the ability to withstand very hot temperatures

Explanation:

The main feature of Yellowstone National Park is the presence of extremely hot and acidic water. Therefore, for a bacteria to live in this environment it has to adapt quickly, exhibiting the ability to be resistant to acids and high temperatures. This allows a great resistance in the bacteria and also stimulates that they present greater solubility, higher diffusion rate and lower reaction rates.

What is the circumference is the the following circle r equals 1

Answers

Answer:  ok so if the radius of the circle is one all you need to doto find the diameter is multiply it by 2 becuase the diameter is twice the radius and the radius is half the diameter for instance..if you had a diameter of four the radiace would be two becuase half of four is two.So the formula to find the cicumfrance of a circle is C=2pirits basically just taking the radiace which in your case is one and multaplying it by two..ok so your like now i have two what do i do..?  Well thats it the answer is 2pi you would have to add the pi symbol [tex]\pi[/tex] <--- now if it has a number in replace of the pi say 3.14, alright your like i have two and i have 3.14 what do i do...you would just have to multiply the 2 by 3.14 to get an answer of....6.28!

Explanation: I hope this helps...:D

Question 1: Years ago in this arena gladiators battled, Christians were fed to lions, and ships fought naval battles in the flooded center. This structure can be found in Italy and is called the _______

A. Louvre
B. Eiffel Tower
C. Colosseum
D. Parthenon

Question 2: The Louvre, Eiffel Tower and Notre Dame all have something in common. They are all _________

A. monuments to European achievement
B. museums
C. found in Paris, France
D. religious structures

Answers

Answer: Colosseum

The Louvre is a famous French Palace and museum, The Effiel tower is this big metal tower in Paris, and the Parthenon is a temple structure with lots of pillars and a symbol of democracy in Greece.

Which theory of geopolitics related the state to a living being that needed nourishment in order to survive?
a. Heartland Theory
b. World Systems Theory
c. Rimland Theory
d. Domino Theory
e. Organic Theory

Answers

I think it’s c or e I’m not sure I tried

which of the following countries is the worlds leading exporter of cacao beans?

Answers

Answer:

Cote de I'vore is the world's leading exporter of cacao beans.

how do you compare the frequency of radio waves with the other parts of electromagnetic spectrum​

Answers

Answer:

Most of the radio part of the EM spectrum falls in the range from about 1 cm to 1 km, which is 30 gigahertz (GHz) to 300 kilohertz (kHz) in frequencies. The radio is a very broad part of the EM spectrum. Infrared and optical astronomers generally use wavelength

Explanation:

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what is important events that occrued in china? geography.

Answers

1839-1842. First Opium (First Anglo-Chinese) War

1856-1860. The Second Opium (Anglo-Chinese)War

What is an allele A B C or d

Answers

B. Allele is a form of gene.
b ..........................

What did the construction of the Suez Canal accomplish?
A. It provided a water route from the Mediterranean to Europe,
B. It gave the Mediterranean Sea an eastern outlet.
C. It linked the Mediterranean Sea with the Atlantic Ocean.
O
D. It opened the Mediterranean Sea to Africa.

Answers

Answer:

The Suez Canal is a man-made waterway connecting the Mediterranean Sea to the Indian Ocean via the Red Sea. It enables a more direct route for shipping between Europe and Asia, effectively allowing for passage from the North Atlantic to the Indian Ocean without having to circumnavigate the African continent.

The Mediterranean Sea an eastern outlet was the construction of the Suez Canal accomplish. The correct option is B.

What was the main reason for building the Suez Canal?

This was done to promote trade and communication between the East and the West as ships sailed from the Mediterranean, through the Nile until Zagazig, and then to the Red Sea via the Bitter Lakes, which were connected to it at the time.

It gave the Mediterranean Sea an eastern outlet. The canal connects the Mediterranean Sea to the Red Sea, which in turn provides access to the Indian Ocean and beyond.

This allowed ships to avoid the long and treacherous journey around the southern tip of Africa, which was the only route to travel between Europe and Asia prior to the canal's construction. The Suez Canal has greatly reduced the time and cost of shipping goods between these regions and has had a significant impact on world trade and the global economy.

Thus, the ideal selection is option B.

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Describe what happens at convergent plate boundaries
( this is for science)

Answers

Convergent boundaries: where two plates are colliding.
The denser plate is subducted underneath the less dense plate. The plate being forced under is eventually melted and destroyed. Island arcs and oceanic trenches occur when both of the plates are made of oceanic crust.

What is the measure of angle ACB?

Answers

Answer:

50

Explanation:

abc has to be 110

triangle angles add to 180

110+20=130

180-130=50

ANSWER

The answer is 50

the weight of a piece of stone when fully immersed in water is 18N and it displaces 4N of water. what is the weight of the stone in air?​

Answers

Answer:

4N

Explanation:

From the problem statement, the weight of the piece of stone when fully immersed in water is 18N

The stone displaces water with the weight of 4N;

 So, the weight of the stone in air is 4N.

From Archimedes principle, we know that the weight of the water displaced when an object is placed in a liquid is the weight of the object. This method is often used to determine the weight of objects that are irregularly shaped. The weight of a regular body  can be easily determined. But for irregular bodies, immersion in a liquid is a good approximation.

Where can rifts develop?

Answers

Answer:

"On Earth, rifts can occur at all elevations, from the sea floor to plateaus and mountain ranges in continental crust or in oceanic crust. They are often associated with a number of adjoining subsidiary or co-extensive valleys, which are typically considered part of the principal rift valley geologically."

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A quadrilateral has vertices P(−2, 3), Q(4, 3), R(4, 1), and S(−2, 1). What is the most specific classification of this quadrilateral?
rectangle

square

rhombus

parallelogram

Answers

Answer:

Rectangle

Explanation:

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