Q: Answer the question

Tigers and household cats are members of the same family; however, their sizes are vastly different. What is the cause of this difference?

A: genetics

Q: Answer the question

Why is it better to wear a white T-shirt than a dark blue T-shirt in the summer?

A: Light-colored clothes reflect more sunlight than dark-colored clothes.

Q: Answer the question

Where does the energy from an earthquake originate?

A:
from rocks under stress shifting deep inside Earth