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Sedaia [141]
3 years ago
14

How can the Earth be a closed system if space shuttles can leave the

Biology
2 answers:
Tpy6a [65]3 years ago
8 0

Answer:

Because it takes tremendous effort to break free from the laws of gravity to exit the Earth's atmosphere.

Explanation:

the explanation is in the answer.

gtnhenbr [62]3 years ago
6 0

Answer:

The answer is- A). Because it takes tremendous effort to break free from the laws of gravity to exit the Earth's atmosphere.

Explanation:

I really don't have an explanation. Except that I love science and I actually pay attention in my classes.

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Kay [80]
Hi!

The correct answer according to the ones provided is <span>A) It takes millions of years to form

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Answer:

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It can be physical or chemical; a physical reaction is the one which occurs as a result to an event i.e. anger, happiness, excitement etc. Where as a chemical reaction is illustrates the process a chemical behaves when mixed with another substance.

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