The question has statement - 1 and statement - 2 Of the four choices given after the statements , choose the one that best describes the two statements
statement - 1 : Sky wave signals are used for long distance radio communication . These signals are in generel , less stable then ground wave signals
statement - 2 : The state of inosphere varies from to hour day and season to season .
A. Statement-1 is true, statement-2 is false,
B. Statement-1 is true, statement-2 is true, statement-2 is the correct explanation of statement-1
C. statement-1 is true, statement-2 is not the correct explanation of statement-1
D. statement-1 is false, statement -2 is true