Предмет: Химия, автор: Аноним

пжпж, помогите пожалуйста!!!!!!​

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Автор ответа: vejunno
1

Ответ:

Объяснение:

Кислород: бесцветный газ, нет вкуса и запаха, образуется в результате фотосинтеза, необходим для дыхания.

Озон: образуется во время грозы, имеет запах свежести, сине-фиолетовой окраски.

Озоновый слой служит для защиты от ультрафиолета

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My name is Peter Sedov. I am forty-six years old. I am chief engineer in a factory. I have a wife and three sons. My wife Mary is forty-two. Mary and I work in the same factory. She is a secretary in the office.
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