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Ivenika [448]
2 years ago
7

The air we breathe is mostly a mixture of oxygen and hydrogen. How do air molecules change above 100 km?

English
1 answer:
WINSTONCH [101]2 years ago
6 0

Answer:

Hope this helps!

Explanation:

At this extreme altitude gas molecules are widely separated. Above 60 miles (100 km) from Earth's surface the chemical composition of air becomes strongly dependent on altitude and the atmosphere becomes enriched with lighter gases (atomic oxygen, helium and hydrogen).

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Three pieces of evidence support this belief, these are the lines "they thought of how they had laboured," "what discouragements they had overcome" and "they gambolled round and round the windmill, uttering cries of triumph."

We can arrive at this answer because:

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With that, even though there were still many problems on the farm, they felt excited, mainly because the mill was fixed by their work.

This question is about "Animal Farm" and you can find more information about it here:

brainly.com/question/11909124

6 0
2 years ago
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IRINA_888 [86]

Answer:

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Explanation:

Hope This Helps...

4 0
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Explanation:

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