According to Carson, Earth before human beings
was a place that
had some hazardous elements
was completely free of pollutants or harmful
elements
quickly removed any hazards from the
environment through natural processes
DONE

Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash. They can also be created by human activity, such as trash or runoff produced by factories. Pollutants damage the quality of air, water, and land.

Explanation:

answer: an oligarchy is a political system in which the government is run by a group of noble families, or the elite wealthy members of a society. a present day oligarchic government is iran.

explanation: