I believe that the answer Is all of the above.
We should all know that gravity keeps the planets in orbit. Also, electrons can leave an atom if they have enough energy.
I hope this helps!
Answer:
xy=42. your welcome........
Scarcity-fundamental economic problem facing all societies that results from a combination of scarce resources and people's virtually unlimited wants
stereotype is defined as a widely held but fixed and oversimplified image or idea of a particular type of person or thing.
The answer is:
The dwarves doubt Bilbo's abilities as a burglar because he is a hobbit