Answer:
because harmful substances often chemicals or microorganisms contaminate a stream, river, lake, ocean, aquifer, or other body of water, degrading water quality and rendering it toxic to humans or the environment.
Explanation:
Hope This Helps!!!
The answer is b because the other ones are involved in environmental science
Answer: It refers to the decline in travel time between geographical locations as a result of transportation, communication, and related technological and social innovations.
Explanation:
Answer:
The answer would be Clastic I think- I hope this helps you! :D
Answer:
A cave or cavern is a natural void in the ground, specifically a space large enough for a human to enter. Caves often form by the weathering of rock and often extend deep underground.
Explanation:
A cave or cavern is a natural void in the ground, specifically a space large enough for a human to enter. Caves often form by the weathering of rock and often extend deep underground.
