Question

9. Assertion : On a rainy day sound travel slower than on a dry day.
Reason: When moisture is present in air the density of air increases.
A) If both assertion and reason are true and the 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) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.​

Answer 1

D and E both are the correct options