Fluid Flow: When you blow some air above a paper strip, the paper rises. This happens because
A. the air above the paper moves faster and the pressure is higher.
B. the air above the paper moves faster and the pressure is lower.
C. the air above the paper moves faster and the pressure remains constant.
D. the air above the paper moves slower and the pressure is higher.
E. the air above the paper moves slower and the pressure is lower.
Answer: B
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