Answer:
South America's geologic structure consists of two dissymmetric parts. In the larger, eastern portion are found a number of stable shields forming highland regions, separated by large basins (including the vast Amazon basin). The western portion is occupied almost entirely by the Andes Mountains.
Explanation:
Answer:
correct option is A. increased water temperature
Explanation:
solution
we know as logging resulted in increased temperature as when watershed is partially clear cut or logging completely then decreased concentrations of dissolved oxygen and clear cut also reduced forest cover that also increase temperature
and generally by deposition of fine sediment in the gravel also carried out logging
so here correct option is A. increased water temperature