13. What happens when air is heated?
A. Stays in place
C. Spreads in all direct on
B. Expands, then rise
D. Moves toward a lower elevation
14. Which of the following statements correctly describes the properties of cold air?
A. denser and less pressure
C. less dense and less pressure
B. denser and more pressure
D. less dense and more pressure
Answers & Comments
Answer:
13. B it expands then rise
14. A it is denser but less pressure
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