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OC27 EarthSpace Sci-2001310-S1-Nelson
Unit 4: Test
Question 7
7
Quiz
Multiple Choice
Unit 4: Test
Question 7 • (OC27) Earth/Space Sci-2001310-S1-Nelson
What must occur for air masses to form fronts?
Answer
A
They must increase in strength.
B
They must collide with each other.
C
They must move from west to east.
D
They must create air-pressure differences.
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