A) Both statements I and II are true, statement II is correct explanation for statement I.
B) Both statements I and II are true, statement II is not the correct explanation for statement I.
C) Statement I is true and statement II is false.
D) Statement I is false and statement II is true.
Correct Answer: D
Solution :
Without friction, we would not be able to walk, run or move. Aeroplane shape is streamlined to reduce frictional force. The correct answer is D.
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