Answer:a solid is a hard material such as steel a gas is a lighter or hevyer than air but is not solid such as methane or carbon dioxide
Explanation:
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Answer:
is called fluid friction because the most weak friction occurs between them
Answer:
It was land.
Land was the source of all other wealth because it was not only the source of natural resources— gold, silver, other ores and minerals, wood, &c— but was also the source of food and water.
