3. Put the words in the right order and write down
3. Put the words in the right order and write down their sen-tences: depends / this water / on / on / Earth / life / all. a / blanket / gases /of / by / surrounded / is / the / Earth. layer / the / ozone / scientists / are / about / concerned. lakes / to / protect / we / streams / rivers / can / oceans / help. the Earth / anyone / can / green / help / to / keep. greenhouse / trees / fight / help / effect / and us / give / oxy-gen. April / 22 / day / Earth / inhabitants / of / celebrate / Earth. air / polluted / for / people / trees / other / plants / but / for / animals / is / not / only bad. harmful / for / acid / to / plants / is / rain / rivers / live / in / creatures / them.
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All life on this Earth depends on water. A blanket of the Earth is surrounded by gases. Scientists are concerned about the ozone layer. We can help to protect lakes, rivers, streams, oceans. Anyone can help to keep th earth green. Trees fight greenhouse effect and give us oxygen. Earth inhabitants celebrate day of Earth on 22 April. Polluted air is not only bad for people,animals, but for trees, other plants. Plants, creatures live in rivers, acid rain is harmful for them.
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