Among the following which is the chemical factor of weathering

Which is the most profitable activity on Earth?

Which part of a plant viewed as a solar panel having full of photosynthetic cells?

Plants are the  only photosynthetic organisms to have:

______ comes as a timely help to Indian farmers in times of crop failures.

The use of land is directly linked with:

______ is the initial step in the soil formation.

Indian farmers consider _____ as a subsidiary source of income.