Fact 1: Air pollution harms the respiratory and circulatory systems.  Fact 2: Exposure to ozone can diminish lung function and increase susceptibility to respiratory infection.  Given the two facts above, which type of pollution is most harmful to lungs?
OPTIONS:
- Lead
- air
- Cars
- oil
- acid
- CFCs
- SO2
- mold

Answer: air


Fact 1: Heat can change the state of matter.  Fact 2: Heat and temperature are the same thing.  Given the two facts above, what can change the state of matter?
OPTIONS:
- temperature
- color
- a-a gradients
- electricity
- hypothyroidism
- fossil fuels
- global warming
- flavor

Answer: temperature


Fact 1: Darkness has a negative impact on photosynthesis.  Fact 2: For example, the sun releases energy needed to drive photosynthesis.  Given the two facts above, darkness has what sort of impact on the energy the sun releases? ?
OPTIONS:
- ligt
- forces
- Light
- Temperature
- heat energy
- photons
- sunlight
- Negative

Answer:
Negative