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Across 1. The spot where an air mass originally forms and determines its temperature. 5. A front in which cold air pushes warm air out of the way. 6. A front in which warm air pushes cold air out of the way. 7. A type of land mass that forms over a body of water in cold temperatures. 9. A type of air mass that forms over land in cold temperatures.

Down 1. A front in which two air masses clash against each other but don't move. 2. A type of air mass that forms over land in warm temperatures. 3. A front in which cold air overtakes warm air. 4. A type of land mass that forms over a body of water in warm temperatures. 8. A large body of air that has similar temperatures and moisture that create air fronts.