There are different materials of raw water, but also the raw water comes from ponds,rivers, and oceans but they might be good sometimes, and gas not been treated and has bacteria or mold buy that is not good.
Answer:
the answer is c I promise
Explanation:
I just took the test
Trench
A long , narrow depression of the sea floor formed where a subdcting plate sinks into the mantle
Hope you get it!
The answer is A.) Troposphere, Stratosphere, Mesosphere, Thermosphere
Bacteria cells, I believe so.
