Yaa that's true...I totally agree with it
The second one most bacteria is good as long as they are in the multi cellular form<span />
Answer:
the ozone layer can do that
Explanation:
Answer:
"the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects."
To break it down, harmful chemicals and other things go into the air and that is called pollution. I believe that you can also pollute the water when you put items like plastic and such in it.
Explanation:
