Вопрос школьника по предмету Химия
які причини виникнення кислотних дощів? які містять:
а. Сульфур і Нітроген
б. Фосфор і Нітроген
в. Сульфуру і Фосфору
Ответ учителя по предмету Химия
Ответ:
Объяснение:
Основная причина выпадения кислотных дождей — наличие в атмосфере за счет промышленных выбросов оксидов серы и азота, хлористого водорода и других кислотообразующих соединений. В результате дождь и снег оказываются подкисленными.
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Present Continuous, Present Simple или Past Simple.
1. What you ( to do ) here at such a late hour ? You ( to write ) your essay ? — No, I ( to write ) it already. I ( to work ) on my report. — And when you ( to write ) your essay? — I ( to finish ) it two days ago. 2. I say, Tom, let’s have dinner. — No, thank you, I already ( to have ) dinner. 3. What the weather ( to be ) like? It still ( to rain ) ? —No, it ( to stop ) raining. 4. Please give me a pencil, I (to lose) mine. 5. I (noy to meet) Peter since Monday. 6. Nina just (to finish) work. 7. Where Sergei (to be)?
— He (to go) home. He ( to leave ) the room a minute ago. 8. What you ( to read ) now? — I (to read) «Jane Eyre» by Charlotte Bronte. 9. They (to read) «Ivanhoe» by Walter Scott aa month ago. What about you? You (to read) «Ivanhoe»? 10. My watch (to stop). There (to be) something wrong with it. 11. You (to see) Jack today? — Yes, I (to see) him at the institute. 12. You
(to hear) the new symphony by M.? —Yes, I … . —When you (to hear) it? — I (to hear) it last Sunday. 13. You (to change) so much. Anything (to happen)?
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