Which statement shows an example of how human activities can directly change the equilibrium of an ecosystem? a. a cold front moving in causes increased winds which increases water evaporation from plants. b. a hurricane causes a river to overflow its banks. c. water pollution causes a decrease in the fish population of a lake. d. the ozone layer prevent harmful radiation from reaching the surface of earth.
c water paultion or d
humans are directly polluting and changing the equilibrium
it would be 50%