I just took a test in school today. What question was I asked?

Question I was asked: The students in an engineering class built a robot that stacks wooden blocks. A built-in computer controls the movement of the robot. The computer in the robot performs a function most similar to which part of the human body?

I just took a test in school today. What question was I asked?

Question I was asked: Why would explorers use a compass when traveling to unknown lands?

I just took a test in school today. What question was I asked?

Question I was asked:
Most stars in the Milky Way are like the Sun. The Sun will eventually become a red giant. After the red giant stage, what determines whether a star will become a white dwarf or a supernova?