Соединить предложения 1.if nuclear power stations go wrong, 2.if people stay in direct sunlight for a long time, 3.if there is no ozone layer in the atmosphere, 4.if people use filters at nuclear power stations, 5.if factories dump their waste in the rivers, 6.if people want to survive, варианты ответов a.we won't be protected from ultraviolet radiation. b.they will clean air again. c.they will cause nuclear pollution. d.they will get ultraviolet radiation from the sun. e.they will solve the environmental problems. f.they will become dirty and poisoned