VLFwaves are used forsome type ofservices because a. of the low powers required b. the transmitting antennas are of convenient size c. they are very reliable d. the penetrate the ionosphere easily

VLFwaves are used forsome type ofservices because
a. of the low powers required
b. the transmitting antennas are of convenient size
c. they are very reliable
d. the penetrate the ionosphere easily
by

1 Answer

Answer :

c. they are very reliable
by

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