Question: Fact 1: Sugar causes food to taste sweet. Fact 2: Sugary foods and sweets are tempting. Given the two facts above, sugar causes food to taste how?
OPTIONS:
- dry
- salty
- sour
- positive
- ligt
- similar
- Glucose
- tempting
Answer: tempting

Question: Fact 1: Using a gasoline engine requires burning gasoline. Fact 2: And, of course, burning of gasoline produces toxic carbon monoxide. Given the two facts above, toxic carbon monoxide is produced by what?
OPTIONS:
- gasoline engines
- Electric generators
- electric cars
- electricity
- solar panels
- cigarettes
- an engine
- ionization
Answer: gasoline engines

Question: Fact 1: The mass of a planet causes the pull of gravity on that planet. Fact 2: Earth is a living planet. Given the two facts above, what causes the pull of gravity?
OPTIONS:
- layers of fat
- Earth's mass
- Time and energy
- flow of electrons
- kinetic energy
- friction
- an object
- heat energy
Answer:
Earth's mass