(a) The strength of T.V. waves is very limited
(b) Picture cannot be transmitted clearly after a specific distance
(c) The shape of the earth is spherical
(d) The air is not a good conductor of light and sound/waves
(a) The strength of T.V. waves is very limited
(b) Picture cannot be transmitted clearly after a specific distance
(c) The shape of the earth is spherical
(d) The air is not a good conductor of light and sound/waves
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