An example of a grad-school level question?
Which resource has the most potential for production of renewable electric energy?

An example of a grad-school level question?
Which of the following is an example of matter changing state?

An example of a grad-school level question?
All of the following events occur during prophase in mitosis except

An example of a grad-school level question?
Garrett collected some large rocks from a stream near his home. He measured the rocks on a balance. When he records the mass of the rocks, which units should Garrett use?