What piece of equipment is used to measure: length

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

The same side of the moon always faces earth because the

Use the drop-down menus to label each of the following changes p for physical change and c for chemical change. the substance changes to a new substance. the original substance can be recovered. the color changes. gas is produced and given off. the substance changes size, shape, or volume.