1) Melting of snow at the two poles is due to thermal energy that comes from...... a) Wind b) Moon c) Sun 2) Leakage of water into groundwater resiviors is due to action of..... a) Condensation b) Evaporation c) Precipitation 3) The rain on the mountain runs into the...... And goes to the ocean a) Sun b) River c) Groundwater 4) Rain shadow is an area that is formed behind a..... a) Tree b) River  c) Mountain 5) The increase in the amount of rain may cause....... a) Sandstorm b) Drought c) Flooding 6) Drought affects all the following. Except.... a) People b) Plant c) Building 7) The rain never falls on desert a) True b) False 8) Cold air has more density than hot air a) True b) False

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