What is the most serious effect of water pollution created by human activity?

It can affect the health of people or animals.  

Explanation:  

Contaminated water can pose a serious risk for both animals and humans. Animals and plants that live in this water often die because of this pollution. Even if a certain animal does not die because of the contamination, it would likely die because of the changes in the food chain. Animals and people that drink their water from this source can become sick from the bacteria and the diseases that are often carried in this water.

It can affect the health of people or animals. It can affect the air surrounding it. It also can interfere with future building in the area.

Explanation:

answer: there description

explanation: the description of a character

the difference between an explicit and implicit meaning is that the explicit meaning of a poem is that the detail is exactly defined. nothing is left to interpretation. an implicit meaning is an implied meaning. kabir's poetry is both explicit and implicit in that it can be interpreted on different levels. the explicit meaning leaves nothing to interpretation while the implicit meaning leaves lots open to interpretation. an example of this is found in the poem "rumi and the spiritual lover".