give reasons for the followingi long distance
Give reasons for the following
(i) Long distance radio broadcasts use short-wave bands.
(ii) The small ozone layer on top of the stratosphere is crucial for human survival.
(iii) Satellites are used for long distance TV transmission.
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give reasons for the followingi long distance radio broadcasts use short-wave bandsii the small ozone layer on top of the stratosphere is crucial for
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