An example of a grad-school level question?
Which of the following best describes an atom?

An example of a grad-school level question?
Some areas of the world are experiencing more desert-like conditions. This change most favors survival of species with the ability to do which of the following?

An example of a grad-school level question?
Earth is about 81 times more massive than the Moon. How will the mass and weight of a rocket on the Moon compare to its mass and weight on Earth?

An example of a grad-school level question?
A family installs a new heating system in their home. Which is the most desirable result of the new heating system?