Which factor determine weather patterns across south america?

a.) forest canopies
b.) elevation
c.) river basins
d.) global warming

One of the factors that determine the weather patterns across South America is its geography. Among the reasons falling in this category is the elevation. Thus, the answer is letter B. The weather becomes colder as the altitude increase. 

The answer to this question is  c. pharmaceutical accumulation  reclaimed water refers to the water that being used again after it already  used for agricultural purposes.this type of water often contains pharmaceutical accumulation because of the chemical fertilizer that is used for the plants is absorbed into the water.