Which factor determine weather patterns across south america?

a) forest canopies

b) elevation

c) river basins

d) global warming

The factor that helps to determine weather patterns across South America is elevation. The correct option among all the options that are given in the question is the second option or option "B". There might be some other factors as well but this is the major factor for determining the weather patterns of South America.

The answer to the above question is ( true );