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Kitty [74]
3 years ago
7

What evidence BEST supports the presence of atmospheric oxygen 2.7 billion years ago?

Biology
1 answer:
Serhud [2]3 years ago
7 0

Answer:c

Explanation:layered iron rust in rocks

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Temperate environment have the best soil in the world because of higher nutrient levels.

<h3>What is soil?</h3>

Soil is the topmost layer of the earth on which plants grow.

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The best soil for plant growth is loamy soil because it contains the most nutrients.

Temperate environment have the best soil in the world because of higher nutrient levels.

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