An example of a grad-school level question?
Why is a healthy diet important?

An example of a grad-school level question?
Granite is an igneous rock. Which of these describes what usually happens to granite after it is weathered, broken into small particles, buried deep underground, and compacted?

An example of a grad-school level question?
Snapping a rubber band most likely produces which type of energy?

An example of a grad-school level question?
In some communities, forests are cleared through burning, and the deforested land is used for farming. Which of these is a negative consequence of this practice?