create harmless chemicals!!
Answer:
There are several ways:
They clean polluted air, protect soil from wind erosion. They help not hurt the environment.
water that is polluted can soak into soil causing the soil to be polluted
It is very polluted.
Unpolluted! Or not polluted. Or clean. Or pure.
The opposite of polluted is clean.
rain and snow wash the soil into rivers to drain into the bay
polluted
Polluted.
um TX and CL
Switzerland is a very green and clean and unpolluted country.
Clean water evaporates faster.
It used to be polluted in the London area until about 30 years ago. It is now relatively clean with many different species of fish living in it.