Answer: Option (C) is the correct answer.
Explanation:
When a steady change, that is, increase in temperature occurs which causes melting of ice sheets, glaciers etc is known as global warming.
Humans are also responsible for increase in global warming as increased use of vehicles cause pollution, also smoke from the industries, factories, chimneys in the household all these cause an increase in temperature of Earth which leads to global warming.
Thus, we can conclude that global warming is an example of human impact on climate changes.
