Fact 1: Animals require water for survival. Fact 2: If water is scarce, animals and plants die. Given the two facts above, what will plants die without?
OPTIONS:
- acid
- energy
- phosphorous
- pollution
- oxygen
- photons
- water
- rain

Answer: water

Fact 1: Ants communicate with chemicals called pheromones. Fact 2: Ants use receptors on their antennae to follow recruitment pheromone trails. Given the two facts above, what do ants use to communicate?
OPTIONS:
- nerves
- heat energy
- sound
- binary code
- light energy
- Antennae.
- megaphones
- hand signals

Answer: Antennae.

Fact 1: Afire requires oxygen to burn. Fact 2: Fire requires oxygen, air. Given the two facts above, fires with good air circulation will what?
OPTIONS:
- grow
- kill
- shrink
- burn
- expand
- be cold
- deadly
- extinguish

Answer:
burn