What is one of the negative consequences of dumping waste in landfills?

A. It releases toxic fumes.

B. It causes increased transpiration.

C. It can pollute the groundwater.

D. It increases soil bacteria.

C. It can pollute the groundwater.

The answer is C, it can pollute the groundwater which is a major source of freshwater. Groundwater is also one of our most important sources of water for irrigation. Unfortunately, groundwater is susceptible to pollutants. Groundwater contamination occurs when man-made products such as gasoline, oil, road salts and chemicals get into the groundwater and cause it to become unsafe and unfit for human use.