Explain the following terms: aquifers, drought, rainwater harvesting, water pollution, deforestation.
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Solution
Aquifers: Reservoirs of underground water are called aquifers. Drought: Scarcity of rain over a long period of time is called draught. Rainwater: It is the water that flows down from the clouds. Harvesting: It is the process of collecting and storing water. Water pollution: It is an act of contaminating water that makes it unfit for drinking. Deforestation: It is an act of cutting down of trees on massive scale.