Предмет: Окружающий мир, автор: bogoslowskaia

Если собрать воду которая образовалась из пара находящегося в воздухе и пропустить через фильтровальную бумагу то мы увидим на поверхности бумаги серое расплывчатое пятно этот опыт доказывает что воздух содержит...
Водяной пар, частицы пыли и дыма, микробы ,пыльцу растений.

Ответы

Автор ответа: мейбл29

частицы пыли и дыма .мало знаков, пишу ещё

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