Assertion : The value of the acceleration due to gravity g on earth depends upon the average density of the earth.
Reason : It is the radius of the earth which determines the value of the g .
a)Both assertion and reason are true and reason is the correct explanation of assertion.
b)Both assertion and reason are true but reason is not the correct explanation of assertion.
c)Assertion is true but reason is false.
d)Both Assertion and Reason are false.