How are the hydrosphere and atmosphere affected by the actions of living things in the biosphere ?

the answer is c because it is most logical.

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.