ответьте на вопросы на : 1.what pollutes water basins, land territories, the atmosphere? 2.what are the names of the environmental problems of today? 3.how long does the litter last? 4.what must we do to make our life happy, healthy and beneficial? 5.how can we keep our earth clean? 6.do you ever throw litter on the ground? 7.is litter a problems in your city/town/village? 8.is it important to protect wild flowers? why? 9.how can we save electricity? 10.why the electric power stations are dangerous? 11.should we save water? 12.how can we make the most efficient use of paper? 13.why should newspapers be reused?

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