Fact 1: Roundworms reproduce sexually. Fact 2: Nematodes are millimeter-sized roundworms. Given the two facts above, what reproduces sexually?
OPTIONS:
- nematodes
- h2o
- viruses
- insects
- humans
- bacteria
- ferns
- Most plants

Answer: nematodes

Fact 1: Tidal energy can be used to produce electricity. Fact 2: Ocean thermal is energy derived from waves and also from tidal waves. Given the two facts above, ocean thermal can be used to produce?
OPTIONS:
- Temperature
- electricity
- warmth
- steam
- precipitation
- friction
- food and shelter
- sun's heat

Answer: electricity

Fact 1: Insulated material can be used for keeping warm. Fact 2: Hair is a natural insulator whether the it is warm or cool. Given the two facts above, what can keep you warm?
OPTIONS:
- toenails
- warmth
- skin
- nails
- wings
- fingers
- fur
- hair

Answer:
hair