How does land subsidence contribute to water pollution?
A) Using sinkholes as landfills can cause pollutants to seep into groundwater.
B) When rocks are dissolved, dangerous chemicals enter our drinking water.
C) When the land sinks, it pulls water deep into the soil where there are pollutants.
D) Tourists who visit caves add a dangerous amount of pollutants to the water.
E) Caves host diverse species that can be a danger to groundwater.

Question

Quizplus · Accepted Answer

Land subsidence can create sinkholes and depressions in the ground that can be used as landfills. If waste is improperly disposed of, it can seep into groundwater, causing pollution.

Answer: C 
 When the land sinks, it can pull water deep into the soil where there may be pollutants such as heavy metals, pesticides, and fertilizers. As a result, these pollutants can contaminate groundwater or surface water.

How Does Land Subsidence Contribute to Water Pollution