What causes unequal lengths of day and night?
Due to tilt of Earth's axis the sun is not always above equator.
The hours of day and night vary due to axis tilt; day and night are equal at the equinox.
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The tilt of the Earth's axis as it revolves around the Sun is the reason for the unequal lengths of day and night; it causes different parts of the Earth to receive different amounts of sunlight throughout the year, which in turn creates the seasons.
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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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