Question: Fact 1: Immunity results from immunization. Fact 2: Results can be damaging or disastrous. Given the two facts above, lack of what can be damaging or disastrous?
OPTIONS:
- force
- violence
- immunization
- food and shelter
- sensory neurons
- kinetic energy
- heat energy
- beatings
Answer: immunization

Question: Fact 1: Adding salt to a solid decreases the freezing point of that solid. Fact 2: Water density decreases with temperature and increases with salt content. Given the two facts above, what content increases melting points of solids?
OPTIONS:
- salt
- Joules
- water
- fats
- heat
- glass
- sugar
- coal
Answer: salt

Question: Fact 1: Carbon dioxide concentrations in the air have increased over the last decade dramatically. Fact 2: Carbon dioxide, CO2, is usually a harmless gas. Given the two facts above, what concentration in the air has increased dramatically over the last decade?
OPTIONS:
- zinc
- CO2
- h2o
- CFCs
- lungs
- coal
- O2
- CO 2
Answer:
CO2