What causes Mars to be red?

Answer 1

There is lot of rusted iron on the surface in powder form.

There is a lot of fine ferric oxide dust all over the surface, giving it a reddish hue.

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Answer 2

Mars appears red due to the iron oxide, or rust, on its surface, which reflects sunlight in a way that gives the planet its reddish color.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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