Question

determine whether the following scenario in the earth system represents a positive or negative feedback or response compared to the initial situation.

increased atmospheric carbon dioxide causes increased plant growth which removes carbon dioxide and cools the atmosphere.

Answer 1

This is an example of a negative feedback: increasing level of the oxide leads to increasing rate of its removal from the atmosphere by trees*

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*same as the toilet tank: increasing level of water in the tank leads to lower flow of water in the tank.