Fact 1: Some viruses can cause cancer. Fact 2: Cancer requires an accumulation of mutations. Given the two facts above, what can some viruses cause?
OPTIONS:
- explosions
- anemia
- extinction
- Dehydration
- birth
- bacteria
- mutations
- Allergies

Answer: mutations

Fact 1: Natural disasters can cause animals to leave an environment. Fact 2: Earthquakes are natural disasters. Given the two facts above, what can cause animals to leave an environment?
OPTIONS:
- it has normal food supplies
- it has earthquakes
- energy of moving objects
- harmful substances
- its a safe habitat
- colder weather
- the situation is unchanged
- deforestation

Answer: it has earthquakes

Fact 1: Some light bulbs convert electricity into light and heat energy. Fact 2: CFLs waste much less electrical energy generating unnecessary heat. Given the two facts above, some light bulbs waste less of their energy producing what?
OPTIONS:
- O3
- loss
- SO2
- heat
- warmth
- light
- Green
- motion

Answer:
heat