Which of the following is NOT a source of groundwater contamination?
A. Agricultural runoff
B. Septic systems
C. Urban rainfall
D. Bedrock composition
Answer: Option D
Solution (By Examveda Team)
Bedrock composition is a natural geologic feature and does not directly cause contamination.Other options can introduce chemicals or pathogens.This Question Belongs to Geological Engineering >> Groundwater And Hydrogeology
Related Questions on Groundwater and Hydrogeology
What is the zone called where all the pores are completely filled with water?
A. Capillary zone
B. Aeration zone
C. Saturated zone
D. Vadose zone
The upper surface of the saturated zone is known as:
A. Water table
B. Capillary fringe
C. Aquiclude
D. Artesian surface
A. Rock that does not hold water
B. Layer that restricts water flow
C. Permeable rock that stores and transmits water
D. Layer that absorbs contaminants
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