What causes lightning?

Lightning strikes happen as negative ions from the clouds and positive ions from the ground meet in the air.

Explanation:

Lightning is caused by imbalances between storm clouds and the ground, or within the clouds themselves. Most lightning occurs within the clouds. Within a thundercloud, many small bits of ice (frozen raindrops) bump into each other as they move around in the air. All of those collisions create an electric charge.

Explanation:

Hope this helps! :)

(i would change up the words to avoid plagiarism.)

answer; motor (efferent)neurons;