Anyone please help me out .Please answer properly. Brainlest answer too.
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they can keep it near their mouths and then speak. As sound needs a medium to travel.it will travel through the rods
pls mark brainliest
pls mark brainliest
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they can use iron rod to communicate at moon as sound waves can propagate through iron rod
hope it is correct
hope it is correct
ravishankar1011:
mark as brainlist
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