Researchers argue that some bacteria found in the human gut are in a symbiotic relationship with humans, called mutualism. Which of the following observations is consistent with this argument?

Bacteria increase te risk of cancer in humans.

Explanation:

When two species benefit from each other, the symbiosis is called mutualism (or syntropy, or crossfeeding). For example, humans have a mutualistic relationship with the bacterium Bacteroides thetaiotetraiotamicron, which lives in the intestinal tract.

it would affect precipitation by causing flooding in some areas of the world due to climate increasing, causing the glaciers in the northern and southern pole of our planet to melt.

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