Just as earth moves around the sun ,the moon revoles around the earth. about how many earth days does it take for the moon to travel around the earth?

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

Surface currents are caused by blank space . question 14 options: surface currents are caused by? differences in water temperature high salinity differences in density wind forces

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both