Answer:
the actual answer is B
Explanation:
The form of energy most responsible for giving us sunlight is nuclear energy. The sun produces energy through nuclear fusion in its core.
A decrease in the population of bears
Answer:
The answer should be C
Explanation:
If you look at the the graph, C points to the time period after mammals appeared. Since birds are mammals, they should have appeared after the time that mammals first came to be on Earth.
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A biodiversity
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