why and how do Volcanoes erupt after being dormant for a long period of time?

Answers

Answer 1

Answer:

Whether a volcano is actually dormant or not, is not actually predictable.

Volcanoes erupt when molten rock called magma rises to the surface. Magma is formed when the earth's mantle melts.

Melting may happen where tectonic plates are pulling apart or where one plate is pushed down under another.

Explanation:

I hope this helps you;)


Related Questions

What are three types of movement that can occur along a fault?

Answers

Answer:

Strike-slip faults indicate rocks are sliding past each other horizontally, with little to no vertical movement. ...

Normal faults create space. ...

Reverse faults, also called thrust faults, slide one block of crust on top of another

Thank u!

Observations:
1. Using your external protractor, what is the difference in longitude between Wake Island
and Ke Lae, HI? What is the time difference?

Answers

Answer:

1,746 miles distance and 5 hours max

Explanation:

Wake island is an atoll island and is located in the western pacific ocean. It is northeast of Micronesia. Has an area of about 2.857 miles.

1
Select the correct answer from each drop-down menu.
Which amendment in the US Constitution provides citizenship to a person born in the United States?
The
v clause of the
Amendment states that a person born in the United States is a US citizen.
Reset
Next

Answers

Answer:

The correct answer is - The 14th Amendment to the U.S or clause of the

Amendment states that a person born in the United States is a US citizen.

Explanation:

The 14th Amendment to the U.S and the Immigration and Nationality Act (INA) is an amendment that states and provide citizenship to a person born within and subject to the jurisdiction of the United States. This includes even prior enslaved people automatically acquires US citizenship.

Thus, The 14th Amendment to the U.S or clause of the  Amendment states that a person born in the United States is a US citizen.

24. The two primary types of ocean currents are

Answers

Answer:

Surface currents and deep-water currents

Explanation:

I just know :)

There are five major ocean-wide gyres—the North Atlantic, South Atlantic, North Pacific, South Pacific, and Indian Ocean gyres. Each is flanked by a strong and narrow “western boundary current,” and a weak and broad “eastern boundary current”

examples of how chemical weathering may benefit people.

Answers

Answer:

One benefit that chemical weathering has for people is that it helps combat carbon dioxide. By trapping carbon dioxide in the sediment, chemical weathering removes it from the atmosphere. The decrease in carbon dioxide helps counter global warming.

16. How do microplastics found on the ocean floor end up in people's bodies?
A. Coral reefs fail to break down the microplastics, and they end up back on beaches.
B. Humans eat sea salt containing the microplastic.
C. Humans scuba dive in areas where microplastics are visible.
D. Acid rain reacts with plastics on the ocean floor and releases them into the air.

Answers

Answer:

B

Explanation:

please mark brainliest if correct thanks

Answer: B.

Explanation: hope this helps

Question 4 (5 points)
The transition zone has a radical change in the land.
True
False

Answers

The answer should be true

Answer:

True

Explanation:

Trust bro

analisis lah perkembangan terbentuknya kepulauan indonesia

Answers

Answer:

Please write in English so I can help.

Explanation: I wanna help.

1.05 Discussion: Human Impact Section Warm-Up

"I was in Bangalore, India, the Silicon Valley of India, when I realized that the world is flat." –Thomas Friedman

Thomas Friedman is a foreign affairs writer for the New York Times who has published numerous books about geography, such as The Lexus and the Olive Tree. He made this statement during an interview about his book, The World is Flat, in which he commented about his revelation. Consider what the quote means. Search the Internet for more information about Friedman and his book. What can you uncover? In this day and age, does he really think the world is flat? What do you suspect he is referring to?

Answers

Explanation:

he Lexus and the Olive Tree. He made this statement during an interview about his book, The World is Flat, in which he commented about his revelation. Consider what the quote means. Search the Internet for more information about Friedman and his

IDENTIFY THE GEOGRAPHICAL FEATURES BY USING KEYWORDS IN THE LIST
[Mountains, Rivers, Valley, Glaciers, Delta Plain, Tributary, Narrow Garge or Canyon, Flatlands,
Himalaya Mountains, Ganges River plains, Panjab Region Valleys, Delta Regionin the Sindh]

Answers

Answer:

Himalaya Mountain -Mountain

Ganges River Plains - Flatlands

Panjab Region Valleys-Valley

Delta Region in the Sindh - Delta

What is Normal lopse Rate?​

Answers

Answer:

  3.5 °F/1000 ft

Explanation:

The "normal lapse rate" is the average rate at which normal air temperature decreases with increasing altitude. It is on the order of 3.5 °F per 1000 ft or 6.5 °C per km.

__

The actual lapse rate depends on a number of factors, including radiation, convection, and condensation. An "inversion" is characterized by increasing temperature with altitude.

3. Differentiate between. a) Igneous and sedimentary rock b) Sedimentary and metamorphic rock 4. Classify the following rocks Marble, Pumice, Slate, Obsidian, Limestone 5. Write answer in brief a) What is rock? b) How are igneous rocks formed? c) What type of rock is called sedimentary rock? d) Which rock consists of fossils? e) How are metamorphic rocks formed? Give example also. 6. Write any four uses of rocks.​

Answers

Answer:

3.igneous and sedimentary and sedimentary and metamorphic.

4. Marble- metamorphic

pumice-igneous

slate- metamorphic

obsidian- igneous

limestone-sedimentary

5. a) A rock is a solid mass of geological materials. Geological materials include individual mineral crystals, inorganic non-mineral solids like glass, pieces broken from other rocks, and even fossils. A rock can be composed of only one type of geological material or mineral, but many are composed of several types.

b) Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust. When lava comes out of a volcano and solidifies into extrusive igneous rock, also called volcanic, the rock cools very quickly.

c) Sedimentation is the collective name for processes that cause these particles to settle in place. The particles that form a sedimentary rock are called sediment, and may be composed of geological detritus (minerals) or biological detritus (organic matter).

d) sedimentary rock consits of fossils.

e) Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors. Conditions like these are found deep within the Earth or where tectonic plates meet.

6. Any four uses of rocks are:

•Making Cement (Limestone) (Sedimentary Origin)

•Writing (Chalk) (Sedimentary Origin)

•Building Material (Sandstone) (Sedimentary Origin)

•Bath Scrub (Pumice) (Igneous Origin)

•Kerb Stone (Granite) (Igneous Origin)

3
Drag each tile to the correct box.
Which economics term does each scenario describe?
diversified economy
specialization
single-resource economy
A nation rich in precious gen/Stones just exports diamonds
to be made into necklaces, rings, and other jewelry.
>
A nation with many pineapple plantations exports fresh
pineapples, canned pineapples, and pineapple products.
A nation with several climate zones exports almonds,
cranberries, corn, wheat, and peaches.
Reset
Next

Answers

Answer:

3.

Diversified economy ==> A nation with several climate zones exports almonds, cranberries, corn, wheat, and peaches.

Specialization ==> A nation rich in precious gem/stones just exports diamonds to be made into necklaces, rings, and other jewelry.

Single-resource economy ==> A nation with many pineapple plantations exports fresh pineapples, canned pineapples, and pineapple products.

Explanation:

Each of these economies differ from each other greatly.

Describe three ways in which recycling materials
is important for the sustainable use of resources.​

Answers

Answer:

recycling keeps landdfills less full, it reduces waste that ends up in the ocean and harming animals, and it helps reduce the amount of material needed to be produced, since the old pre fabricated material is recycled, saving money

Explanation:

Write your question here (Keep it simple and clear to get the best answer)WHAT IS THE MEANING OF CLOUD SEEDING

Answers

Cloud seeding is a weather modification technique that improves a cloud's ability to produce rain or snow by artificially adding condensation nuclei to the atmosphere, providing a base for for snowflakes or raindrops to form.

Which country is #3 marking on this map? (With Map)
A. Syria
B. Lebanon
C. Turkey
D. Israel

Answers

Answer:

Lebanon

Explanation:

A country in the Middle East, touching the Mediterranean Sea.

Lebanon is a small Middle Eastern country situated on the eastern shore of the Mediterranean Sea. Hence option B is correct

How is Lebanon ?

It is known for its rich history, diverse culture, and beautiful landscapes. The country has a population of around 6 million people, consisting of different religious and ethnic groups, including Muslims, Christians, and Druze.

Lebanon has faced numerous political and economic challenges over the years, including civil war, political instability, and regional conflicts. In recent years, the country has been facing a severe economic crisis, with high unemployment, inflation, and a shortage of basic goods.

Despite these challenges, Lebanon remains a vibrant and resilient country, with a thriving arts and culture scene, delicious cuisine, and friendly people.

Beirut, the capital city, is known for its lively nightlife, beautiful beaches, and historical landmarks. Lebanon is also home to many UNESCO World Heritage Sites, such as the ancient city of Byblos and the ruins of the Roman city of Baalbek.

Thus option B is correct .

Learn more about  Lebanon here

https://brainly.com/question/12520696

#SPJ3

South African whites began to realize that the apartheld and homelands policies had to change as a result of

The policy is failure to illuminate racial discrimination

A Civil War between blacks and whites

request from white homeland and business leaders

International sanctions and increase in protests

Answers

Answer:

International sanctions and increase in protests

Explanation:

The Land Acts of 1950,1954, and 1955 resulted in the apportioning of 80% of South African lands to the whites and just 20% to the blacks. Pass Laws were instituted by the government, thus requiring colored people to carry documents that permitted their entrance into white areas. These acts of segregation and apartheid were met with protests among the black community and international sanctions.

For example, a violent protest that resulted in the death of 69 blacks and several injuries occurred in Sharpeville on March 21, 1960. South Africa received international sanctions from the United States and the United Kingdom in 1985. These and other censures resulted in the abolishment of the pass laws.

Match the layer of the Earth in column 1 to the characteristic in column 2.

Close to outer core
Inner core

Dense solid iron
Upper mantle

Liquid iron
Lower mantle

Pushes the crust
Outer core

Answers

Answer:

Hi!

Inner core-Dense Solid iron

Outer core-liquid iron

Lower mantle-Close to outer core

Upper amntle-pushes the crust

Explanation:

Answer:

Crust- Fault, Plates

Mantle- Heat convection

Inner core- Solid Iron

Outer Core - Liquid Iron

Explanation:

I got 100% on the test!

Compare the similarities and differences between the types of wind that blow frequently on earth ?

Answers

Answer:

The Earth contains five major wind zones: polar easterlies, westerlies, horse latitudes, trade winds, and the doldrums. Polar easterlies are dry, cold prevailing winds that blow from the east. They emanate from the polar highs, areas of high pressure around the North and South Poles.

willl mark brainly What is the most frequently used measure of economic development?

A.

total GDP

B.

literacy rate

C.

income tax rate

D.

GDP per capita will mark brainly

Answers

Answer:

A.

Economic development is typically measured by the total GDP.

The invention of electric cars is an example of people adapting to change
in our environment. TRUE OR FALSE

Answers

Answer:

true i guess ????

Explanation:

correct me if im weong

Answer:

True

Explanation:

because environment is change per sec. by humans

I'LL GIVE BRAINLIEST !!!

EXPLAIN Is it true that growing crop after crop on soil can leave ot useless ?​

Answers

Answer:

It's true that growing crop after crop on soil can leave it useless, as it drains the productivity and potential for growing more crops in the future. Also, using pesticides and herbicides can destroy the soil and render it useless, having further consequences in the future. It also drains nutrients from the soil.

Explanation:

Common sense, and reading books

Plate movement is influenced by each of the following EXCEPT a. slab pull, in which the downgoing oceanic plate exerts a pull on the rest of the plate. b. mantle convection, which creates shear at the base of plates. c. mantle plumes, which are created when hot rock rises up from the deep mantle and creates melting at the base of the lithosphere. d. ridge push, in which the elevated rocks at the ridge axis push on rocks farther from the ridge.

Answers

Answer:

b. mantle convection, which creates shear at the base of plates.

Explanation:

Mantel convection is a very slow creeping motion of the earth's solid silicate mineral. It can carry heat from the interior of the plate's surface. As the earth is divided into the tectonic plates that are constantly being created and consumed Accretion occurs as the mantel is added to the edges of the plates that surround the seafloor.

what is the longitude of a place whose local time is 4.30pm when the local time at longitude 45 degrees is 1.00 pm
please help

Answers

so now the answer is 53 degrees basically I think you need to round off the degrees

One of the major motivations for altering the environment in Mexico City was
A. creating arable land
B.
reducing population growth
C. providing recreational opportunities
D. reducing dependence on agriculture

Answers

Answer:

dueiiedivuui

Explanation:

xidici o i ifi ivic9 9 ivovofvoodododovobovvivo i oi y cgg. f d fhcxh cc dbfbdxhj u u i kdjfkfvj j iciisicxkdjdkckkdii ocxocicixisi o

What are the two drivers of Earth's wind systems?
A. Latitude and longitude location
B. Uneven heating and the Coriolis effect
C. The polar vortex and tropical breezes
D. Global warming and greenhouse gas emission

Answers

Answer:

C. The polar vortex and tropical breezes

Matriarchal" is best defined as a __________.
A.
pattern of ethnic settlements in Central Europe
B.
matrix of ethnic symbols engraved in an arch
C.
domination of a government or social group by females
D.
collection of materials used only by a particular ethnic group

Answers

Answer: domination of a government or social group by females

Explanation:

Matriarchy refers to the social system whereby women the primary power positions are held by the women in the society. These positions can relate to social privileges, roles of political leadership etc.

Matriarchal is a domination of a government or social group by females. An example of the matriarchal society is the Mosuo of China where inheritance is passed down through the female line. In these society, the women also have their choice of partners.

Answer:

C

Explanation:

Edge2021

importance of scientific discoveries​

Answers

Answer:

Scientific knowledge allows us to develop new technologies, solve practical problems, and make informed decisions — both individually and collectively. Because its products are so useful, the process of science is intertwined with those applications: New scientific knowledge may lead to new applications.

I HOPE THIS WILL HELP YOU, HAVE A GREAT DAY:)

Discovery helps you find out what changes and improvements need to be made, it also helps you streamline and prioritize those changes, determining which requests are most important and how to meet everyone's needs and wants.

A student observes that an organism is green a valid conclusion that can be drawn from this observation is that

Answers

Answer:

A valid conclusion that can be drawn from this observation is that. the organism cannot be single celled. 

Explanation:

hope this helped

I'd really appreciate a brainleast

4 ..not enough information is given to determine whether the organism is a plant or an animal

A scientist studying how earthquakes happen imagines the top layer of Earth moving like a block of wood rubbing on sandpaper. This helps the scientist imagine what is happening. What kind of model is this? Explain.

Answers

Answer:

This is model is called  - Block and Sandpaper Model.

Explanation:

In the model above, a block of wood is dragged over sandpaper using an elastic string which causes the block of wood to move in such a way that friction is apparently generated, thus converting energy from one form to the other.

This little model, also known as the "earthquake machine" typifies what happens in the earth's crust during an earthquake. It models the behavior of tectonic plates as they move over one another generating various kinds of energy.

Cheers

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