Fire needs oxygen to burn is the an opinion, commonplace assertion, or a fact

Fact

Explanation:

It has been proven several times. You can prove it yourself. Light a candle then put something on top to block any air. The fire will die off. So it's a fact.

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Fact

it is a fact if it tells you it is an opinion if it say I think or words like that

Explanation:

The answer is music found or relocated in the western hemisphere; specifically, music’s of euro-American origins, especially western classical music. Created in the tradition of European "high are" music’s. Typically composed and notated. Western art in expressions of consecutive periods and or actions, counting classical, medieval.