Fill in the blanks: Listening

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Fill in the blanks: Listening

 

Fill in the blanks: Listening

The Earth’s surface is two-thirds water, yet most of this is undrinkable or unusable because it is either seawater or (1)……… Of the 1% that is available as (2)…………………. water, most is used for (3)………………. or goes to industry. Freshwater contamination is the major problem since it is all too easy to pollute rivers and streams with pesticides, industrial waste, and (4)………… In poor and (5)………… countries, the addition of sewage to sources of water leads to (6)…………. and death. In China, a United Nations report estimates that over 78% of people drink from (7)………….. water supplies. Although humankind has made enormous efforts to control the supply of fresh water by constructing more than (8) …………dams throughout the world, falling water (9)………… , shrinking rivers and lakes, and loss of wildlife are the result. School project kits are available by telephoning this number: (10)……………

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