An example of a grad-school level question?
Which of the following is an example of heat transfer by conduction?

An example of a grad-school level question?
A student wants to cut a piece of string for a class activity. The length of the string is measured BEST in which units?

An example of a grad-school level question?
Thousands of years ago, several species of large mammals existed in North America. These species became extinct not long after the first human settlement of North America. Which human activity most likely contributed to the extinction of these mammals?

An example of a grad-school level question?
A decomposer is an organism that