An example of a grad-school level question?
Scientists who have studied global climate changes have found that the average temperature of Earth has risen. There has also been an increase in the accumulation of atmospheric greenhouse gases. What is the goal of the scientific community in collecting this type of data?

An example of a grad-school level question?
A pot is heated on a stove. Which process causes the metal handle of the pot to also become hot?

An example of a grad-school level question?
If two organisms are classified in different orders but are in the same class, which of these statements is true?

An example of a grad-school level question?
Scientists who have studied the hydrosphere concluded that about 71% of Earth is covered with water. Which part of the hydrosphere is most often associated with the formation of organic rocks?