Предмет: Химия, автор: XxBigGim

61. Можно помочь с химией............

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Автор ответа: ol3gzinovev

1)где
2)абв
Если ответы не могут повторяться то так. Хотя странно. Обычный кислород тоже как бы из атомов кислорода состоит, а в чистом виде ядовит не хуже озона

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