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olga_2 [115]
2 years ago
7

Please someone help me with this

Biology
1 answer:
fiasKO [112]2 years ago
8 0

Answer:

Explanation:

1. a. Sunlight hitting the Earth's surface is the source of all energy in the pyramid.

b. 25,500 kcal is provided by this source to a square meter per year.

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