Answer:
because harmful substances often chemicals or microorganisms contaminate a stream, river, lake, ocean, aquifer, or other body of water, degrading water quality and rendering it toxic to humans or the environment.
Explanation:
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Answer: Cape Cod
Explanation:
Cape Cod is a peninsula located at the eastern end of Massachusetts, in the northeastern United States.
This region is characterized by having a slightly different weather than the continental part of the United States, since winters are long with a late arrival of spring season, due to the surrounding sea, keeping the the low temperatures. However, it has warm autumns, thanks to the same effect of the sea.
Answer: The Nile River Valley
Explanation:
Answer:

Explanation:
Angle of depression = 
b = Height of building = 42 feet

p = Distance from the car to the base of the building
From the trigonometric identities we get

The distance from the car to the base of the building is
.