You are presented with the quiz "What uses electricity as an energy source?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "electricity is used as an energy source by electrical devices" and "electrical engineers work on power plants, computers, and other electrical devices". So, what's the best answer to the question?
OPTIONS:
- plants
- athletes
- satellites
- consumers
- cells
- computers
- insects
- people

Answer: computers

You are presented with the quiz "what can negatively impact a species?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "harming an animal species has a negative impact on the population size of that species" and "some species of amoeba are harmful parasites". So, what's the best answer to the question?
OPTIONS:
- chemicals
- elephant
- cells
- dog
- drought
- mines
- steroids
- amoeba

Answer: amoeba

You are presented with the quiz "What contains DNA but not much else?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "viruses contain DNA but not much else" and "some smallpox viruses are maintained in laboratories". So, what's the best answer to the question?
OPTIONS:
- cigarettes
- insects
- bacteria
- Most plants
- loose soil
- pollen
- mammals
- smallpox

Answer:
smallpox