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1. Why is Mars red? 2. Why doesn’t Mars have liquid water now? What evidence is there that Mars once had liquid water? 3. Is the surface of Mars young, like the surface of Venus? How would you know?
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1. Why is Mars red?

2. Why doesn’t Mars have liquid water now? What evidence is there that Mars once had liquid water?
3. Is the surface of Mars young, like the surface of Venus? How would you know?

User Serhii Kushchenko
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1 Answer

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Answer:

1.Because the soil looks like rusty iron

User Anwuna
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