What features of Earth allow it to sustain life?
Two important factors for life is temperature and liquid water.
We have the right temperature because we are at the right distance from Su (the Goldilocks zone). Water is present in nature in liquid form.
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Earth's atmosphere, which controls temperature and supplies oxygen, its liquid water, which is ideal for biochemical reactions, and its shielding magnetic field from solar radiation are what allow life to exist on the planet.
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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.
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