Тест. найдите правильный ответ1. There is ___ acid in ordinary rain.a) alwaysb) noc) strong2. Acid rain ____a) appeared in the 20th centuryb) has always existed in naturec) is the result of industrial development3. ____ is the ...

Тест. найдите правильный ответ 1. There is ___ acid in ordinary rain. a) always b) no c) strong 2. Acid rain ____ a) appeared in the 20th century b) has always existed in nature c) is the result of industrial development 3. ____ is the cause of acid rain. a) burning coal and oil b) the wind c) water in the air 4.A lot of trees have died in Canada because____ a) ecological laws of the country b) of the power stations and factories c) animals cannot live in polluted environment 5.Acid rain badly influences_____ a) only our fauna b) only our flora c) our habitats 6.People_____clean the smoke from factories and power stations. a) are able to b) do not know how to c) should invent methods to.