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Pavlova-9 [17]
3 years ago
5

Only 20 plant species, such as rice, corn,and barely, make up the main sources of food for the entire human population.

Chemistry
2 answers:
Flauer [41]3 years ago
8 0

Answer:

D

Explanation:

to enhance the survival

riadik2000 [5.3K]3 years ago
7 0

Answer:

I believe it would be D, to enhance the survival rate.

Explanation:

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