The deepest ocean trench is the Mariana trench at a depth of?

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

Is this correct if not can u correct me