On the bank of the nile river
The answer to your question is “A”
Answer:
left: rain shadow effect --- top right: warn moist air rising --- bottom right: air cooling and condensing
Explanation:
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The development of ozone, oxygen, and cyanobacteria factored in the development of complex organisms. The cyanobacteria or also called blue-green algae are microbes use the sunshine, water and carbon dioxide to conduct photosynthesis and produce carbohydrates oxygen.
This great oxidation event changed the Earth and life on Earth forever.