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11 votes
All of these are natural events that could alter an ecosystem EXCEPT -

A: burning of fossil fuel
B: wildfires
C: floods
D: volcanic activity

User JGS
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1 Answer

10 votes
Answer:
A) Burning of fossil fuels

Step-by-step explanation:
Burning fossil fuels is an anthropogenic activity, meaning humans do it. Even though humans can create wildfires, for the most part it is a natural and good thing for soil; humus - dead organic matter - is good for top soil. Flood and Volcanic eruption are both done by mother nature.
User Elymentree
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