As people have sought to become healthier, many are now drinking more water every day. what is a negative unintended consequence of their actions on the environment?
a. they live longer lives than previous generations.
b. the plastic bottles they use cause pollution.
c. they gain water weight as a result of drinking more water.
d. the course of rivers has changed because of the erosion of riverbanks.

The correct answer is B. The plastic bottles they use cause pollution

Explanation:

An unintended consequence refers to an effect or result from an action or another event that is unexpected or that was not unforeseen. Additionally, this consequence can be positive or an unexpected benefit or negative or an unexpected drawback that can occur along with positive expected benefits. This means in the case of people that drink more water every day a positive benefit can be that they can live longer, prevent certain illnesses or feel better and the unintended consequence would be "The plastic bottles they use cause pollution" because this effect is negative and it is not expected by those who drink water; however it can happen as most people buy bottles of water to get water and therefore if more people drink water more bottles would be bought and these lead to pollution.

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