Which of the following changes to waterways is only the result of human activity? a.
erosion
b.
temperature fluctuations
c.
flooding
d.
chemical pollution

Please select the best answer from the choices provided

A
B
C
D

D.Chemical pollution

Explanation:

Because erosion,flooding and temperature fluctuations is natural disaster and chemical pollution is made by human activity (i hope this help) ☺️

answer;

-chlorine

explanation;

-toxic industrial chemicals are industrial chemicals that are manufactured, stored, transported, and used throughout the world. toxic industrial chemicals can be in the gas, liquid, or solid state.

-they can be chemical hazards (e.g., carcinogens, reproductive hazards, corrosives, or agents that affect the lungs or blood) or physical hazards (e.g., flammable, combustible, explosive, or reactive).