(A): The maximum range of coverage by the ground wave propagation is limited up to a few MHz.
(R): The attenuation of ground wave increases very rapidly with frequency.

Options

A. Both 'A' and 'R' are true and 'R' is the correct explanation of 'A'.
B. Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'.
C. A' is true abd 'R' false
D. A' is false and 'R' is false

Answer

A