Statement - 1 : Sky wave signals are used for long distance radio communication. These signals are in general, less stable than ground wave signals. Statement - 2 : The state of ionosphere varies from hour to hour, day to day and season to season.

Options

A. Statement -1 is true , Statement -2 is true , Statement -2 is the correct explanation of Statement -1.
B. Statement -1 is true , Statement -2 is true , Statement -2 is not the correct explanation of Statement -1 .
C. Statement -1 is false, Statement -2 is true .
D. Statement -1 is true , Statement -2 is false.

Answer

A

Explanation

Since ionospheric properties change with time, these signals are in general less stable than ground wave signals.