Answer:
Purpose of the interface
Provides communication − One of the uses of the interface is to provide communication. Through interface you can specify how you want the methods and fields of a particular type.Jul
C. Mantle would be correct
Answer:
0.7
Explanation:
Atenuation is the loss of power of a signal.
Attenuation = output power/input power
= 1.4/2
= 0.7
