Fact 1: If food is not immediately used by the body for energy then that food will be stored for future use. Fact 2: Body fat is stored energy. Given the two facts above, what not digested is used as energy storage?
OPTIONS:
- RNA
- Urea
- fat
- glucose
- carbohydrates
- food
- protein
- DDT

Answer: fat

Fact 1: Damming a river can cause a lake to form. Fact 2: The dam also generates electricity. Given the two facts above, what can cause a lake to form?
OPTIONS:
- Something that generates electricity
- water and minerals
- rivers and streams
- fissures of hot, acidic water
- dividing into two parts
- it flows to a lower level
- a hydraulic system
- changing the phase

Answer: Something that generates electricity

Fact 1: Evaporation of sweat uses energy, and the energy comes from body heat. Fact 2: Kinetic energy comes from heat. Given the two facts above, evaporation of sweat uses what from the body?
OPTIONS:
- expelled
- Positive charges
- all liquids
- properties
- Something to move
- water vapor
- kinetic energy
- Cooling vapors

Answer:
kinetic energy