Question

What is the cause of lightning?

A. The different elevations of a cloud and the ground

B. Airflow between a cloud and the ground

C. Varying air pressure underneath a cloud

D. Different charges on the ground and the bottom of a cloud

Answer 1

Lightning is a naturally occurring electrostatic discharge during which two electrically charged regions, both in the atmosphere or with one on the ground, temporarily neutralize themselves, causing the instantaneous release of an average of one gigajoule of energy

Answer 2

The different elevations of a cloud and the ground