Help please i'll mark you the brainlest no links seriously it's not helpful This graph depicts the motion of a car. Here, the car is _ . Question 12 options: driving forward at constant speed driving backwards at constant speed at rest accelerating

Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0

What forms when chemical reactions combine pollution with sunlight?

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.