Which one of the following is correct? Lightning is formed, when – McqOptions

MCQOPTIONS

1.	Which one of the following is correct? Lightning is formed, when
A.	similar charges of electricity rush towards each other and then get repelled
B.	clouds strike against impurities in air and the friction burns up these impurities
C.	strong opposite charges in different clouds break down the resistance offered by intervening air
D.	water vapor produces electricity in the clouds
Answer» D. water vapor produces electricity in the clouds

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