input: OPTIONS:
- Light
- metabolism
- sluggish
- fossil fuels
- magnetic
- electrical
- Evaporation
- sunlight Now, answer this question: Fact 1: Cooking food requires adding heat energy. Fact 2: Electrical energy ultimately becomes heat energy. Given the two facts above, what type of energy can be used to cook food?
A:
output: electrical

Fact 1: Avalley is formed by a river flowing. Fact 2: Examples are Napa Valley and Sonoma Valley. Given the two facts above, what were formed by a river flowing?

OPTIONS:
- Statue of Liberty
- body water
- swamp vegetation
- Rockies
- Napa and Sonoma
- clouds
- Sediment
- Calcium carbonate

Answer: Napa and Sonoma

Problem: OPTIONS:
- animals
- swimming
- snails
- tortoises
- barnacles
- swea
- protected
- a fish
Q: Fact 1: Mollusks live in most terrestrial, freshwater, and marine habitats. Fact 2: Mollusks in the diorama include snails and clams. Given the two facts above, what kind of animal lives in most terrestrial, freshwater and marine habitats?
Answer: snails

Problem:OPTIONS:
- matter
- chemicals
- energy
- sunlight
- Nutrients
- warmth
- humidity
- sweating

Fact 1: Head hair is especially important in preventing heat loss from the body. Fact 2: Basically, heat is energy. Given the two facts above, what does head hair prevent the loss of?
****
A: energy

Fact 1: Tunicates reproduce sexually. Fact 2: Sea squirts are the best known tunicates. Given the two facts above, what reproduces sexually?
OPTIONS:
- orchids
- mountains
- viruses
- humans
- sea squirts
- Most plants
- h2o
- insects
sea squirts

Fact 1: Population density is the average number of individuals per unit of area or volume. Fact 2: Population densities affect the balance of the environment. Given the two facts above, what do the average number of individuals per unit of area or volume affect?
OPTIONS:
- that material's properties
- our landscape
- balance of the environment
- death and devastation
- important habitats
- swamp vegetation
- the environment
- Animal survival

Answer:
balance of the environment