1Acid rain - only one of the manifestations of such contamination. 2The main cause of acid rain - the presence in the atmosphere due to industrial emissions of sulfur and nitrogen oxides, hydrogen chloride and other acid-forming compounds. 3The effects of acid rain is very multidimensional, and dangerous for both people and animals, and plants. ПРОСТИ Я ДОЛЬШЕ НЕ ЗНАЮ
1 I have drunk 4 cups of coffe today. 2 I haven't eaten anything since breafast. 3 I haven't seen him this morning. 4 I have never met his mother. 5 This is the first time I've driven a car. 6 I haven't played chess for ages. 7 I have met a lot of people in the last few days. 8 She has painted the ceiling. 9 I have repaired the car. 10 They have written 10 letters today. 11 He has saved a lot of money. 12 He has read 53 pages so far. 13 I've known about it for a long time. 14 He hasn't cought any fish. 15 Yt has bought a new house.