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hodyreva [135]
3 years ago
6

PLS HELP!

Biology
1 answer:
lilavasa [31]3 years ago
7 0

Answer:

evolution of life on Earth

Explanation:

Life began on Earth at least 3.5 to 4 billion years ago, and it has been evolving ever since. At first, all living things on Earth were simple, single-celled organisms. Much later, the first multicellular organisms evolved, and after that, Earth's biodiversity greatly increased.

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