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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C. Pennsylvania because it is close to newyork and can have similar cultures
Globalization is the spread of products, technology, information, and jobs across national borders and cultures. In economic terms, it describes an interdependence of nations around the globe fostered through free trade.
Answer:
.
Explanation:
We are given that,
In △EFG,


To find: 
As we know that, angles opposite to the congruent sides of a triangle are congruent.
Thus, In △EFG
if
and 
then it implies 
Hence, we get
.