contestada

Ecosystems can change over time because of physical processes or

A. grass or forest fires
B. hurricanes or tornadoes
C. very cold winters
D. human activities

Respuesta :

franklinnrai

Answer:

Human activities

Explanation:

Because humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.

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