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Скелетиками каких простейших образованы толщи таких осадочных пород,как "горная мука"?
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Предмет:
Биология -
Автор:
makenzie2onm - 6 лет назад
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Ответы 1
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диатомит(горная мука,кизельгур,целит)- это осадочная горная порода,состоящая из отмерших диатомовых водорослей (диатомеи).диатомит представляет собой рыхлое,сцементированное светло-серого или желтого оттенка вещество.Удачи!
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Автор:
pookyraymond - 6 лет назад
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Раскройте скобки, употребляя глаголы в Past Simple или Past Continuous:
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4. When father (to come)
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Раскройте
скобки, употребляя
глаголы
в
Past Simple или Past Continuous.
1. I (to play)
computer games yesterday. 2. I (to play) computer games at five o'clock
yesterday. 3. He (to play) computer games from two till three yesterday. 4. We
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What he (to do) yesterday? - He (to read) a book. 9. What he (to do) the whole
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(not to play) the piano at four o'clock yesterday. 13. She (to play) the piano
the whole evening. 14. When I came
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from three till four yesterday. 18. You (to do) your homework yesterday? 19.
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