Answer:
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Explanation:
The answer is=>A. Grasses begin to grow in soil with organic matter.
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Answer:
sophisticated irrigation, chemical fertilizers, chemical pesticides
Explanation:
The use of irrigation to provide needed water and the use of natural fertilizers to promote crop growth are farming methods that have been practiced for centuries. More sophisticated irrigation techniques, various chemical pesticides, and modern chemical fertilizers have been developed in the twentieth century.
Explanation:
AB blood type is very rare
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D. to help scientist plan an experiment in when ch no animals or humans are harmed.