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Nadusha1986 [10]
3 years ago
9

2. Before life evolved adaptations for living on the land, a major change in one of Earth's systems took place.

Geography
1 answer:
Likurg_2 [28]3 years ago
8 0

Answer:

C. Adding Oxygen to the atmosphere

Explanation:

Most living things need oxygen (Including humans) to survive

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