Which of the following human activities contributed to the pollution of our ancestral air?
A)Discovering, making, and using tools contributed to air pollution.
B)The discovery and use of fire contributed to air pollution.
C)The development of crop farming contributed to air pollution.
D)All of these contributed to air pollution.

Question

Quizplus · Accepted Answer

The discovery and use of fire, the development of crop farming, and the making and using of tools all contributed to air pollution through the release of smoke, dust, and other particulates into the atmosphere.

Which of the Following Human Activities Contributed to the Pollution