Classify each of the following pure substances as an element or a compound. a. silicon (si) chipb. oxygen (o2)c. hydrogen peroxide (h2o2)d. rust (fe2o3)e. methane (ch4) in natural gas

The answer is d.potassium

The answer is b because c don't explain why the moths are on them and it isn't a because as we know only one species of moth does this

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