Answer:
The atmosphere, I believe.
Explanation:
Well first off they can stop dumping harmful chemicals in our oceans.
Second, they could just limit the use of factories . May sound stupid but it works
Hope this helps!
It is a reaction between an element and a compound that results in a different element and compound
A compound is a substance made up of atoms of two or more different elements joined by chemical bonds. A mixture is a combination of two or more substances that are not chemically combined.
