Here are the correct matches for Column A with Column B:
_______ 8. Forms when an air mass rises as a result of orographic lifting
b. Mountain thunderstorms
_________ 9. Forms because of temperature differences between the air over land and the air over water
c. Sea-breeze thunderstorms
_________ 10. Forms as cold air pushes warm air up at a boundary between cold and warm air masses
a. Frontal thunderstorm