fact and question: friction is used for stopping a vehicle by brakes
Question: Friction is used to stop what using brakes?

What's the answer?

answer: pickups

fact and question: harming an animal species causes that animal 's population to decrease
Question: A person who hunts lions down for trophy prizes contributes to their species'

What's the answer?

answer: ruination

fact and question: if an object is close then that object will appear large
Question: A cylinder with lenses can even make Uranus appear to be

What's the answer?

answer: closer

fact and question: water flows down a slope
Question: Water will always make it's way to the

What's the answer?

answer:
ocean