Assertion (A): Existence of human life on Venus is highly improbable. Reason (R): Venus has extremely high level of carbon dioxide in its atmosphere.

(a)

Both A and R are individually true and R is the correct explanation of A

(b)

Both A and R are individually true but R is not the correct explanation of A

(c)

A is true but R is false

(d)

A is false but R is true