What causes Mars to be red?
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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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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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.
- How old is our sun in comparison to other stars in our galaxy?
- Does the moon rotate on its axis like planet earth? Why or why not?
- What is the distance across our solar system in light years?
- What is the hottest planet in our solar system?
- Why are the last 570 million years of Earth's history divided into three different eras while the preceding four billion years comprise only one era?

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