Chapter -water resources

ground water is in problem. what are its reason?

"Frequent pumping of water" from the underground causes groundwater to get depleted.

Explanation:

Groundwater problem is mainly due to human activities like continuous pumping of water from the ground without giving time for it to replenish. This causes dryness in the wells and also results in the "movement of saline water" into fresh water acquirers Afforestation, smart usage of water, recycling water, reducing chemical wastes can help in subsiding the groundwater problem.  

Answer collision and mountain formation;