Problem:OPTIONS:
- Paper
- animals
- rivers
- engines
- Plants
- humans
- Lighting
- Walls

Fact 1: Wind is used for producing electricity. Fact 2: We also need gas and electricity for heating and lighting. Given the two facts above, what uses power?
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A: Lighting

Problem:OPTIONS:
- Possibly longer survival
- Fully cooking the oysters
- to stay warm
- Help plants grow
- Shorter temper
- Fewer calories
- More protein
- lowered energy cost

Fact 1: Eating something that contains pollutants has a negative impact on an organism 's survival. Fact 2: Naturally Organic foods are grown without the aid of unsafe and polluting chemicals. Given the two facts above, what is an advantage of eating naturally organic food?
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A: Possibly longer survival

Problem:OPTIONS:
- Changing weather
- graptolites
- permineralization
- Movement
- subtropical
- dry and hot
- swamp vegetation
- global warming

Fact 1: The Earth being tilted on its rotating axis causes seasons. Fact 2: Weather changes from season to season. Given the two facts above, which natural occurrence comes from Earth being tilted on a rotating axis?
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A: Changing weather

Problem:OPTIONS:
- h2o
- procreation
- crashes
- disease
- painful
- respiration
- fever
- death

Fact 1: Cancer is a disease in which cells divide out of control. Fact 2: Cancer can cause death. Given the two facts above, what can happen from a disease in which cells divide out of control?
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A:
death