8)Warming of the sphere that occurs when certain gases absorb part of the solar radiation reflect by the Earth is called ... A) acid rain B) greenhouse effect
9) ...rain occurs when pollution in the air is absorbed by water droplets in clouds. A) Dirty B) Acid
10) Global warming is seen by many as a to humanity
A) threat B) treat
11) Forests, farmland, and oceans are known as “natural...”
A) research B) resources
12) One way to reduce the amount of garbage is by ...This way,a plastic bottle can be melted to create other plastic bottles, a glass bottle can be used to make other glass bottles,etc.
A)resizing B)recicling
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1had found mark told nancy that he had found his dog at last and the worried expression began to dissappear from his face. марк сказал нэнси, что он, наконец,  нашел свою собаку, и беспокойное выражение его лица стало исчезать. 2 do could you do me a favour and look after the children after school, please? не могли бы вы сделать мне одолжение и присмотреть за детьми после школы? 3 buy/won't have if you buy that expensive car, you won't have enough money to go on holiday. если ты купишь ту дорогую машин, у тебя не будет достаточно денег поехать в отпуск. 4 to speak jim doesn't know russian well enough to speak with you. джим не достаточно хорошо знает язык,  чтобы разговаривать с тобой. 5 much better the new teacher is much better than the prevoius one. новый учитель намного лучше предыдущего.