What causes the ballon to fly away is the air pushing out of the balloon also tied in with air pressure
Because radio waves can travel in space but sound waves cannot.
15 min
Explanation:
take 0.25 and put it in for 1.00 and you will see its 0.25 but when you add it all 4 times it is 1.00 so then you would take that and do it to the hour ... how many times does four go into 60
Answer:
electromagnetic waves
Explanation:
"wave" is a common term for a number different ways in which energy is transferred
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