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alekssr [168]
3 years ago
13

What was the biggest difference between the Earth's second atmosphere and third (present) atmosphere?

Geography
2 answers:
kvv77 [185]3 years ago
8 0
Carbon dioxide from volcanic activity became a major part of the atmosphere
Anit [1.1K]3 years ago
3 0

Answer:

Carbon dioxide from volcanic activity became a major part of the atmosphere.

Explanation:

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This "Roof of the World" is over 14,000 feet high, spans two countries (China and Tibet), and is borders to the south by the Him
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Answer:

Mount Everest has been labeled as the roof of the world because of the size.

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3 years ago
Fill in the blanks:1. _________ magma cools and consolidates without growth of mineral grains 2. _________ mineral grains are of
Sati [7]

Answer:

4. Glassy

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6. Porphyritic

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Explanation:

Glassy or vitreous textures occur during some volcanic eruptions when the lava is quenched so rapidly that crystallization cannot occur. The result is a natural amorphous glass with few or no crystals. Examples include obsidian

Examples of aphanitic igneous rock include basalt, andesite and rhyolite.

Aphanitic rocks in contrast to phaneritic rocks, typically form from lava which crystallize rapidly on or near Earth's surface.

Porphyritic textures develop when conditions during cooling of a magma change relatively quickly

Explanation:

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4 years ago
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28. What is the area of triangle JKL if the coordinates are J(0, 0), KO, 3),<br> and L(4, 0)?
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Answer: It is a right triangle

8 0
3 years ago
How can people use physical and human geography to understand the history of early civilizations?
igor_vitrenko [27]

Answer:

The life of early hunter-gatherer societies was shaped by their physical environment. ... Early humans were hunters and gatherers whose survival depended on the availability of wild plants and animals.

Explanation:

3 0
3 years ago
What are the two lines that divide the earth into the Northern and Southern Hemispheres and the Eastern and Western Hemispheres?
bagirrra123 [75]
Any circle drawn around the Earth divides it into two equal halves called hemispheres. There are generally considered to be four hemispheres: Northern, Southern, Eastern, and Western. The Equator, or line of 0 degrees latitude, divides the Earth into the Northern and Southern hemispheres.
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3 years ago
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