Biology, 28.08.2020 18:01 fjdkj

7) How do nitrogen-fixing bacteria help cycle 340
nitrogen through ecosystems?
320
A. They change nitrogen into forms usable by
plants
300
1950
B. They convert water and carbon dioxide into
sugar
C. They release the chemical energy in nitrogen for respiration
D. They convert sunlight into chemical energy stored in nitrogen
19

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7) How do nitrogen-fixing bacteria help cycle 340
nitrogen through ecosystems?
320