When did plant life begin to appear on earth?
Ivy AllenAbout 300 million years ago.
There were Wattizea trees 380 million years ago.
. LiveScience.com/PlanetEarth is cited.
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Luke AllenDuring the Ordovician period, 500 million years ago, plant life first emerged on Earth.
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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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