The cracking sound heard when dry hair is combed with a hard rubber comb is due to_________
(A) The hair barging against the charged comb
(B) Small electric sparks
(C) The rubbing of the comb with the hair
(D) None of the above
The cracking sound heard when dry hair is combed with a hard rubber comb is due to_________
(A) The hair barging against the charged comb
(B) Small electric sparks
(C) The rubbing of the comb with the hair
(D) None of the above
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