(A): Ionosphere contains gases in the ionised form which form the bases for wireless communication (R): The ions reflect back the radio waves to the earth.

(A): Ionosphere contains gases in the ionised form which form the base

1.	(A): Ionosphere contains gases in the ionised form which form the bases for wireless communication (R): The ions reflect back the radio waves to the earth.
Answer» Both (A) and (R) are TRUE and (R) is the correct explanation of (A) Both (A) and (R) are true and (R) is not the correct explanation of (A) (A) is true but (R) is false (A) is false but (R) is true ANSWER :A