Answer:
Option A
Explanation:
Leguminous plants like pulses etc. have root nodules comprising of rhizobacterium which live in a symbiotic relationship with the roots of the plant and in turn fix the nitrogen in the soil in the roots of the leguminous plants.
Hence, option A is correct
The soulustion. turn cloudy due to the precipitation of Sulphur.
This is one of the definitions that is used to define C. Work. It is a change in energies from one form to another within some time frame.