Перепишите и переведите предложения на язык. выпишите из каждого глагол – сказуемое и определите его видовременную
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1.the sanitary engineer is concerned with hydrology.
2.different systems of water filters are used in present day.
3.water finds its way to the rivers.
4.ocean water contains salt and other mineral materials.
5.the earliest written records of water purification date to 2 000 b. c.
6.the modern recreation center has been erected in the center of moscow.

Marik19782002    3   22.01.2020 09:34    0