21. describe some of the main issues that involve our environment, and provide examples of how
these issues affect our environment.
(5 points)
mdco

The four fundamental exercises of man that impacts nature are as per the following:-  

1) Air contamination  

2) Depletion of ozone layer  

3) Deforestation  

4) Excessive utilization of endowments of nature  

Explanation:

Plastic packs will in general mischief nature in a genuine way. They get into soil and gradually discharge lethal synthetic concoctions.

They inevitably blend into the dirt which can hurt the creatures eating the plants from which they'll kick the bucket.

Another explanation can be the consuming of the plastic which makes lethal or noxious gas which is extremely hurtful for us.

answer(c) carved on a babylonian clay tablet that showed earth as a flat circular disk;