Statement 1: Ground wave communication is effective only at low frequencies in the range 500 kHz to about 1500 kHz
Statement 2: The decrease in the intensity of the signal due to absorption by the earth and its atmosphere is higher for higher frequencies.
A. Both statement-1 and statement-2 are true, and statement-2 is the correct explanation of statement 1.
B. Both statement-1 and statement-2 are true but statement-2 is not the correct explanation of statement-2
C. Statement-1 is true but statement-2 is false.
D. Statement-1 is false but statement-2 true.