What is the description of Global climate change?

A.
Exhaust fumes from daily traffic are contributing to a decrease in air quality that is slowly
deteriorating the number of harvestable foods on Earth.

B.
Human activity is contributing to a buildup of greenhouse gases in Earth’s atmosphere that is
slowly increasing the average temperature near Earth’s surface.

C.
IT industry waste is contributing to a buildup of CO2 in the Earth’s ground that is quickly
increasing the average temperature of Earth’s surface.

Explanation: