Statement - 1 : Sky wave signals are use...

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.

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.

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