mahalabear9439
11.05.2021 •
Biology
I will give brain to the correct answer!
Which statement best explains how sewage systems help fight the spread of disease?
A. They carry antibiotics that kill pathogens
B. They carry human waste to treatment facilities away from cities
C. They kill animals that spread pathogenic bacteria
D. They add chlorine to drinking water before it is transported to homes.
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Ответ:
Explanation:
As I think option D is the correct one.
Ответ:
b
Explanation:
a p e x
Ответ:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Explanation:
Hope this helps:)