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Lightning starts a cloud-to-ground flash with a stepped leader moving where?

ASideways inside the cloud
BUp from the ground
CDown from the cloud
DUp from the sea only
Answer & Solution
Correct answer: C. Down from the cloud
1. A cloud-to-ground discharge is initiated by a stepped leader. 2. The leader moves down from the cloud. 3. It is met by a streamer moving up from the ground. _Source: Wikipedia, Lightning, Cloud to ground (CG)_
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