Question

lightning occurs because ____. the negative charges at the bottom of clouds are attracted to the positive charges on the ground. the positive and negative charges inside clouds are attracted to each other the positive charges at the bottom of clouds are attracted to the negative charges on the ground. all of these reasons are correct.

Explanation:

Lightning occurs due to charge - attraction. Negative cloud - bottom charges are attracted to ground positive charges and positive - negative charges inside clouds attract each other.

Answer:

All of these reasons are correct.