Problem:OPTIONS:
- horses
- lions
- peachleaf willow
- mammals
- warm-blooded
- some sparrows
- bamboo
- animals

Fact 1: Some birds are pollinators that co-evolved with plants. Fact 2: Roosters and sparrows are birds. Given the two facts above, what are pollinators that co-evolved with plants?
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A: some sparrows

Problem:OPTIONS:
- ice to burning objects
- heat energy
- heat to cooler objects
- converting electricity to heat
- heat to metal objects
- kinetic energy
- cold to hot objects
- Evaporation

Fact 1: When a cooler object touches a warmer object , thermal conduction occurs. Fact 2: Heat always flow from warmer to cooler objects . Given the two facts above, when thermal conduction occurs, what always flows to what?
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A: heat to cooler objects

Problem:OPTIONS:
- Chimneys
- Evaporation
- chemicals
- streams
- Wind
- Organic nutrients
- Clouds
- mildew

Fact 1: Water vapor cooling causes that water vapor to condense. Fact 2: Clouds form by the condensation of water vapor. Given the two facts above, what can form when water vapor cools?
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A: Clouds

Problem:OPTIONS:
- complete
- homogenous
- grow
- allow growth
- ligt
- food
- organ
- heat or cold

Fact 1: Roundworms make up the phylum Nematoda. Fact 2: Roundworm Roundworms have complete digestive tracks. Given the two facts above, what kind of digestive tracks do nematoda have?
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A:
complete