Problem:OPTIONS:
- relocation
- prey animals
- predatory animals
- migratory birds
- An object is seen
- migrants
- refract or absorb.
- barks and snarls

Fact 1: Migration is a type of movement that changes population size. Fact 2: Predatory animals migrate with the game animals. Given the two facts above, when game animals move elsewhere, what else does?
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A: predatory animals

Problem:OPTIONS:
- bamboo
- desiccation
- burrs
- elms
- moss
- coal
- candy
- meat

Fact 1: Being burried under soil and mud changes vegetation into peat through extreme heat and pressure in a swamp over a long period of time. Fact 2: After a long time, the moss can form into a peat. Given the two facts above, what forms into peat through extreme heat and pressure over time?
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A: moss

Problem:OPTIONS:
- Acids
- warmth
- sodium
- Urea
- sugar
- SO2
- fire
- energy

Fact 1: Heating a liquid can be used to identify that liquid 's boiling point. Fact 2: Fire has intense heat. Given the two facts above, what can be used to identify a liquid's boiling point?
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A: fire

Problem:OPTIONS:
- water vapor
- basic building blocks of life
- gasoline
- light and heat energy
- an electron microscope
- plasma
- heat or cold
- hydrogen and oxygen

Fact 1: Some light bulbs convert electricity into light and heat energy. Fact 2: Electrical energy is also energy. Given the two facts above, what do some light bulbs convert other energy into?
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A:
light and heat energy