Problem:OPTIONS:
- an electric stove
- exposed material
- insulated material
- hydration
- permeable material
- electricity
- wet material
- In the winter

Fact 1: Insulated material can be used for keeping warm. Fact 2: Sunlight heats the ground, warming it up. Given the two facts above, how can heat be kept?
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A: insulated material

Problem:OPTIONS:
- CO 2
- rain
- hurricanes
- contraction
- heat
- dew
- expansion
- gas

Fact 1: Dew is formed when water vapor condenses over night. Fact 2: If there is a greater dew point there is more water vapor. Given the two facts above, more condensing water means more of what?
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A: dew

Problem:OPTIONS:
- coastlines
- alluvial
- Sediment
- uncontrolled
- germany
- wetlands
- wind
- deltas

Fact 1: Being burried under soil and mud changes peat into coal through extreme heat and pressure in a swamp over a long period of time. Fact 2: Marshes and swamps are wetlands. Given the two facts above, where can peat, buried under soil and mud and through extreme heat and pressure, change into coal?
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A: wetlands

Problem:OPTIONS:
- dissolving enzymes
- repair cells in the human body
- solving equations
- keeping food fresh for long periods of time
- remove toxic material from the stomach before it is absorbed
- Something that can be converted to kinetic and heat energy by a motor
- lower the surrounding pressure
- regulate breathing

Fact 1: The vomiting reflex is used to remove toxic material from the stomach before it is absorbed. Fact 2: Vomiting is a reflex controlled by a vomiting center in the brain. Given the two facts above, what is the throwing up center of the brain used for?
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A:
remove toxic material from the stomach before it is absorbed