An example of a grad-school level question?
A mountain range has hills around its edges. How are the mountains and hills alike?

An example of a grad-school level question?
Changes to abiotic factors in an environment can impact biotic factors. Which statement is the BEST example of this situation?

An example of a grad-school level question?
Sunlight passes through the windows of a car and causes the car seats to get hot. Which type of energy flow is involved in heating the seats?

An example of a grad-school level question?

The distance from Earth to the Sun is about 150,000,000 km. What abbreviation do scientists use to describe this distance?