Which of the following issues is a primary cause of land subsidence in Mexico City?
A.
building too many dams
B.
constructing too many buildings
C.
overpumping underground aquifers
D.
causing deforestation by cutting down trees
A.
building too many dams
B.
constructing too many buildings
C.
overpumping underground aquifers
D.
causing deforestation by cutting down trees