Rewrite the sentences in the passive. 1) English teacher explained the grammar rules to the students.

2) The King will open the new Residence next week.

3) I have cleaned my room for 2 hours.

4) He buys a lot of flowers to his girlfriend.

5) The students are writing SAU at the moment.

Перепишите предложения в пассиве.

1) Учитель английского объяснил ученикам правила грамматики.

2) Король откроет новую резиденцию на следующей неделе.

3) Я убирал свою комнату за 2 часа.

4) Он покупает много цветов своей девушке.

5) Студенты сейчас пишут САУ.

Chemistry - part of our lives, and without certain processes that occur on earth before life began, of course, it would not be us. the assimilation of food, human and animal respiration is based on chemical reactions. the same process of photosynthesis, without which people can not live, is also accompanied by chemical processes.few people think that ignites a match, that carries out this complicated chemical process. or, for example, personal hygiene is also accompanied by chemical reactions when a person uses soap that foams in contact with water. the same wash using powders, conditioners for softening the laundry accompanied by such reactions.even in ancient times were common craft, which were based on chemical processes: for example, the creation of ceramics, metal processing, the use of natural dyes. hus, the chemistry of life - this is a panacea for the disease, and weapons, and the economy, and cooking, and, of course, life itself.