An example of a grad-school level question?
When two unequal forces act in opposite directions on a moving object, the object will

An example of a grad-school level question?
Earth's distance from the Sun helps the planet sustain life. If the Sun were larger, what would most likely also have to be true for Earth to sustain life?

An example of a grad-school level question?
Ice water is poured into four cups made of different materials. The cup made of which material will be the coldest to touch after one minute?

An example of a grad-school level question?
Which of the following best describes the purpose of the chromosomes in the nucleus of a cell?