Why do air masses form where the air stays in one place for a while?

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k

State the following: boyle's law and charle's law