ответить на вопросы по тексту. 1. How are pollutants generally treated? Name four different processes
referred to in the text.
2. What are the main causes of air pollution?
3. What is the usual way to control emissions of gas and particles into the
atmosphere?
4. Which gas is mentioned as being particularly difficult to control?
5. What industries are affected by regulations to control the emissions of
this gas?

EricKornet    1   31.01.2021 18:21    0