Biology, 09.07.2019 06:30 breonaleonard6821

Ecosystems can be changed by natural events or by human actions. which is not a natural event? a. a forest fire started by lightning b. pollution from a factory entering a river c. a beaver building a dam in a river d. an earthquake

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Ecosystems can be changed by natural events or by human actions. which is not a natural event? a. a...