Answers

2015-12-07T23:49:59+05:30
What is ground water and what is a water table? Discuss the advantages and disadvantages of dams. What is water harvesting? What are fossil fuels?
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2015-12-08T07:44:48+05:30
Explain about carbon cycle..? What is air pollution..? What is water pollution..? What are fossil fuels...? Why are renewable resources necessary..?
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