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Gennadij [26K]
3 years ago
5

Approximately how thick is the mantle?

Biology
2 answers:
dybincka [34]3 years ago
8 0
2,900 kilometers thick
ludmilkaskok [199]3 years ago
4 0
The mantle is the majority-solid core of the interior of the Earth. The mantle lies between the dense, super-heated core of Earth, and the crust, its thin outer layer. The mantle is about 2,900 kilometers (1,802 miles) thick and comprises a whopping 84 per cent of the total volume of Earth.
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What have the scientific studies identified as the major cause of acid rain in the united states?.
Vadim26 [7]

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<h3>What are the causes of acid rain?</h3>
  • Acid Rain is created when sulphate and nitrogen oxides from the atmosphere react with rainwater and fall as a result.
  • Sulphur and nitrogen particles that mix with the wet elements of rain are the main causes in the production of acid rain.
  • Due to air pollutants, notably the excessive levels of sulphur and nitrogen released by machinery and industrial operations, acid rain is made up of water droplets that are extremely acidic.
  • The emissions that are released from industries are man-made causes.
  • The natural causes, such as lightning strikes in the atmosphere that release nitrogen oxides and volcanic eruptions that release sulphur oxide.

The complete question is :

What have the scientific studies identified as the major cause of acid rain in the United States?

a )chemicals still in the atmosphere from the asteroid collision with the earth

b) excess solar radiation due to the depletion of the ozone layer

c) volcanic ash in the air

d) burning of fossil fuels that release sulphur and nitrogen compounds into the air

To learn more about acid rain , refer:

brainly.com/question/6700006

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3 0
1 year ago
A man pushes a lawn mower with a force of 200N across 50N meters of his lawn. How much work did the man perform?
krok68 [10]
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Why the walls of the ventricles are much thicker than the walls of the atria.
Mkey [24]

Answer:

The ventricles of the heart have thicker muscular walls than the atria. This is because blood is pumped out of the heart at greater pressure from these chambers compared to the atria.

Explanation:

hope this helps

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bija089 [108]

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Explanation:

The primordial soup refers to the idea that prehistoric oceans combined with lightning to form the building blocks of life.

The soup can be regarded as the soup of life through which the first nuclei acids were synthesized.

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