What statement best describes an independent variable?
a. the factor that does not change, but impacts the constant in an experiment
b. the factor that's changed by the experimenter and impacts the constant in an experiment
c. the factor that's not changed by the experimenter and is impacted by the dependent variable
d. the factor that's changed by the experimenter and impacts the dependent variable

surface mining destroys mountain tops, landscapes, forests and wildlife habitats. on top of that, it leads to soil erosion and destruction of agricultural land. the landscape changes can also disrupt river channels and streams, which leads to flooding. which, can destroy plant life and other animals as well.

explanation:

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