Which of the following is not responsible for nitrogen fixation?

a. Action of lightning on atmospheric nitrogen and oxygen
b. industrial production of nitrohen based fertilisers
c.rhizobium bacteria found in the root nodules of clover plants
dentrifying bacteria found in the soil

Help with the answer and why the other questions are not right?

1 answer

Its C...Nodules of certain plants such as clover fix Nitrogen to the soil...thats the reason farmers grow cver ...then plow it back into the soil..Natural source of Nitrogen...dontknow about the others...