Question

x is a type of microorganism that helps in fixing atmospheric nitrogen and is used as biofertiliser x could be A

penicillum
blue green algae
yeast
mushroom​

Answer 1

x is a type of microorganism that helps in fixing atmospheric nitrogen and is used as biofertiliser x could be ᴀ blue green algae

Answer 2

Answer:

blue green algae

Explanation:

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