Answer:
basically I will tell you the definition
Explanation:
so when charges are unbalanced statistic energy is formed positive attract negative and negative attracts positive like repell while unlike attract .
Answer: 24 hours
Explanation: One day is one rotation of the Earth, but it takes the earth 365 days to do one revolution or one year
Hi friend
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Your answer
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★ Pitch => It is the shrillness or coarseness of the sound.
Higher frequency = Shrill sound
Lower frequency = coarse sound
So, Final answer -
A. Frequency of sound waves
HOPE IT HELPS
The less dense areas created as a sound wave propagates are called Rarefactions