Question

11) Cyanobacteria and blue green algae are commonly called nitrogen fixers. They
increase the fertility of soil. How do these nitrogen fixers increase the soil
fertility?
(a) The produce nitrogen gas that is released into the surrounding.
(b) They convert nitrogen gas present in the surrounding into compost.
(c) The fix atmospheric nitrogen to make nitrogen compounds in the soil.
(d) They decompose remains of plants and animals to produce nitrogen compounds.​

Answer 1

Answer:

c is the right answer

I hope it helps

Answer 2

Answer:

c ) The fix atmospheric nitrogen to make nitrogen compounds in the soil.

plz mark me brainliest and follow me plz