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Ne4ueva [31]
3 years ago
15

How long has earth been in it’s current era

Biology
1 answer:
Alla [95]3 years ago
6 0

Answer: Such constant change has characterized Earth since its beginning some 4.5 billion years ago. From the outset, heat and gravity shaped the evolution of the planet. These forces were gradually joined by the global effects of the emergence of life.

Explanation:

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Explanation:

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<span>Proteins are different based on number and type of ____________ contained in their polypeptide chain(s)
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3 0
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