The correct option is D All of the above
Geochemical cycle refers to the chemical interactions in surface reservoirs such as the atmosphere, hydrosphere, lithosphere, and biosphere. Pollution is any undesirable change in physical, chemical or biological characteristics of air, land, water or soil. Agents that bring about such an undesirable change are called as pollutants. Local flora and fauna is also affected by the pollutant. Balance of nature also gets disturbed as pollutant affects the living organism and composition of gases in the atmosphere.