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Physics, 01.02.2021 22:00 wellllm

Help me! Bill left a hammer out in the rain all day. The next morning it had rust on it.
Oxygen and a metal chemically combine to form rust. What is rust an example of?
O a mixture
β€’ a solution
an element
a compound

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Help me! Bill left a hammer out in the rain all day. The next morning it had rust on it.
Oxyg...
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