Answer:
Option (A)
Step-by-step explanation:
Environmental pollution is one of the major issues in the present day, which is causing due to the burning up of fossil fuel, cutting down of trees, emission of green house and other toxic gases from the industries and factories.
Due to the cutting down of trees, the amount of CO₂ in the atmosphere has increased, due to which the surface temperature of earth has increased relatively. This results in environmental pollution in many places, and causing global warming in earth.
Thus, the correct answer is option (A).