NEED HELP ASAP!!

Match each number from the diagram to description of the event occurring at the post Orion in the convection current.

Heating of cooler material

Movement of less dense material

Cooling of warmer material

Movement of denser material

1. 1

2. 2

3. 3

4. 4

NEED HELP ASAP Match each number from the diagram to description of the event occurring at the post Orion in the convection current Heating of cooler material M class=