Read the text below and think of the word which best fits each space. Use only ONE word in each space (10pts)

There is growing evidence that urbanization has a sharp impact on (51) _____, causing changes that (52)_____________wreak havoc on precipitation patterns that supply the precious resource of water. The heavy amounts of heat and pollution rising from cities (53) ______delay and stimulate the fallof precipitation, depriving some areas of rain while drenching others.

             Cities are (54) _________________average one to ten degrees warmer than surrounding underdeveloped areas. Cities also produce large amounts of (55) ______________called aerosols, gaseous suspensions of dust particles or byproducts from the (56)__________of fossil fuels. Both heat and aerosols (57) _______ the dynamics of clouds. When hoisted (58) ______ in the sky, the microscopic particles act as multiple surfaces on which the (59) ______in clouds can condense as tiny droplets. This can prevent or delay the formation of larger raindrops that fall more easily from the sky, (60) ___________ it can cause the rain to fall in another location.
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