What elements makeup Earth's atmosphere

78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.1 percent other gases.

Explanation:

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explanation:

0.07 g/cm³

1.37 g/cm³

the answer is yes

it has kinetic energy

reason

an object has kinetic energy when you stop the force carrying it, the object will stay in motion.

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