Предмет: Окружающий мир, автор: Tymanchik2007

Задание:
Определите твердость известняка.
Будем считать породу мягкой, если можно оставить след ногтем; твердой , если можно поцарапать только гвоздём; и очень твердой , если след от гвоздя не остался. Помогите определить твердость известняка! Какя у него твердость?!

Ответы

Автор ответа: Помошник12345678901

16

Известняк мягкая порода

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