Предмет: Окружающий мир, автор: ST12345

Как изменяется воздух в классной комнате к концу урока? а) воздух станет теплее б)воздух обогатиться кислородом в) в нём станет меньше бактерий г) увеличится количество углекислого газа

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Автор ответа: nariman1312

г)увеличится количество углекислого газа

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