Thank you for coming to Brainly with your questions!
I believe the answer is:
A. Supply exceeds demand. When supply exceeds what is being asked of, the forest will always be sustainable.
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-Belle
Sewage holds toxic microbes and contains a mixture of suspended impurities. When these impurities hit drinking water microorganisms begin to deteriorate the water, and uses up the dissolved oxygen with the microorganisms, making these water dangerous to drink from. Major impacts of this can include giardia, salmonella, cryptosporidium, and E. coli.
Experimenting. Experimenting is used in all three main branches of science, physics, chemistry, and biology, and is used in all the sub-branches of science, like marine biology, to make discoveries. Without experimenting, all we know about science would be random guesses.
For him to write down his adventures
I disagree it should be A