alleryCollisions between ice crystals and graupel in a storm cause what?
AHeat to leave the cloud
BCharge separation
CRain to stop falling
DWind to stop blowing
Answer & Solution
Correct answer: B. Charge separation
1. Rising ice crystals collide with larger, denser graupel.
2. The crystals become positive and the graupel negative.
3. This charge separation builds up the electric field.
_Source: Wikipedia, Lightning, Charge separation in thunderstorms_
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