Assertion : We can live very happily if friction is not present in nature.
Reason : Aeroplane shape is streamlined to reduce the effort of frictional force.
Mark the correct choice as
(a) If both assertion and reason are true and reason is the correct explanation of the assertion.
(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.
(c) Assertion is true, but reason is false.
(d) Assertion is false, but reason is true.