Which elements are most metallic? li, be, b, c

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.

Displacement is the slope of a velocity vs. time graph a. true b. false

Explain how global warming could have affected yellowstone frog and salamander habitat's, resulting in changes in the populations of these species