Question

Question #8dbdf

Answer 1

Due to build up of huge electric charge in the cloud lightning happens.

Explanation:

This expands the air at very high speed causing the sound of thunder."The sudden increase in pressure and temperature from lightning produces rapid expansion of the air surrounding and within a bolt of lightning. In turn, this expansion of air creates a sonic shock wave, similar to a sonic boom, which produces the sound of thunder, often referred to as a clap, crack, peal of thunder, or boom." fro m wikipedia.