Blake is eliminating contributing factors to ensure accuracy in his results. Which step of the scientific method is he performing? O Research the hypothesis
O Research the problem
O Test the hypothesis
O Analyze the results
Conclusion

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

Particles vibrate in a rigid structure and do not move relative to their neighbors.

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.