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which option is best for communicating with a space ship or with people…

Question

which option is best for communicating with a space ship or with people on the international space station? * 10 points shout to them using a megaphone. send a letter using a homing pigeon. transmit radio wave signals.

Explanation:

Brief Explanations

Sound needs a medium to travel, so megaphone - shouting won't work in space's vacuum. Homing pigeons can't fly in space. Radio waves can travel through a vacuum and are used for space communication.

Answer:

Transmit radio wave signals.