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kogti [31]
3 years ago
8

Makeup of the atmosphere

Biology
2 answers:
SCORPION-xisa [38]3 years ago
7 0

Answer:

The air near the earth’s surface consists of 77 percent nitrogen and about 21 percent oxygen.

Explanation:

I hope this helps

there is also a bit of Carbon Dioxide

otez555 [7]3 years ago
7 0

Answer: Nitrogen accounts for 78% of the atmosphere, oxygen 21% and argon 0.9%. Gases like carbon dioxide, nitrous oxides, methane, and ozone are trace gases that account for about a tenth of one percent of the atmosphere.

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<h2>°·.¸.·°¯°·.¸.·°¯°·.¸.->    Answer     >-.¸.·°¯°·.¸.·°¯°·.¸.·° </h2>

When heat is added to a solid, its particles move _______

A. faster

B. slower

C. closer together

<em>D. the same speed</em>

<h2>(っ◔◡◔)っ ♥ Answer ♥</h2>

A. (I THINK-)

<h2>Explanation</h2>

When heat is added to an object, the molecules vibrate faster. As they go faster, there is more space in between the molecules.

<h2>¸,ø¤º°`°º¤ø,¸¸,ø¤º° Details °º¤ø,¸¸,ø¤º°`°º¤ø,¸ </h2>

Subject: Science

Unit: Atoms, Molecules,

Grade: 5-7

(I think I might be wrong-)

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