Question: You are presented with the quiz "fish use gills for what" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "gills are used for breathing water by aquatic animals" and "fish are backboned aquatic animals". So, what's the best answer to the question?
OPTIONS:
- motility
- breathing carbon dioxide
- courtship
- producing oxygen
- biodiversity
- breathing water
- food and shelter
- drinking water
Answer: breathing water

Question: You are presented with the quiz "what is a byproduct of fossil fuels?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "burning fossil fuels increases the carbon in the atmosphere" and "an inevitable byproduct of burning fossil fuels is carbon dioxide". So, what's the best answer to the question?
OPTIONS:
- heat
- sugar
- energy
- Cars
- carbon
- bacteria
- tar
- Pollution
Answer: carbon

Question: You are presented with the quiz "What can change shape?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "folding an object causes that object to change shape" and "side chairs fold for easy storage". So, what's the best answer to the question?
OPTIONS:
- A Greek letter
- side chairs
- a television
- a prism
- pavement
- streams.
- streams
- cars
Answer:
side chairs