An example of a grad-school level question?
A plant produces tiny plants around the edges of its leaves. When these tiny plants fall to the ground, they take root and become new plants. This process is an example of

An example of a grad-school level question?
Which tool could be used to help someone count the number of ladybugs on a leaf?

An example of a grad-school level question?
A shoe manufacturer randomly selects 10% of the production from each shift. Each of these shoes is checked to ensure that it is correctly made. What is this process called?

An example of a grad-school level question?
There is a river at the base of Mount Tom. In the spring the water level is usually very high. In the summer it is lower. The higher level of water during the spring comes from