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МатематикаВопрос:
6. The producers collect the air in big cities and clean it with the help of high technologies.
Ответ:
True or false.
Похожие
- 5. People don't want to buy canned air because it is expensive.
- 7. You can watch the whole process of producing canned air.
- 8. A can of air lasts long because the air in it is under pressure.
- 9. The project is a kind of protest against ignoring the problem of air pollution.
- 10. Joining the project massively can cause another ecological problem.
