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Question

Complete the following cycle given below by filling the blanks (a), (b), (c), (d).

Microorganisms friend and foe CBSE Class 8

June 11, 2024

Answer

a. Lightning fixes nitrogen.

b. Nitrogen fixing bacteria and blue-green algae fix atmospheric nitrogen.

c. Nitrogenous waste from excretion and death.

d. Bacteria turn compounds of nitrogen into gaseous nitrogen.

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