Problem:OPTIONS:
- unstable weather
- warmer weather
- rays or beams
- permineralization
- solar weather
- scattered light
- scarce resources
- colder weather

Fact 1: When a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight. Fact 2: The less direct the sunlight, the colder the weather. Given the two facts above, when a hemisphere is tilted away from the sun, that hemisphere will have what?
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A: colder weather

Problem:OPTIONS:
- see details
- sensory neurons
- it's state
- it needs them
- heat or cold
- Pesticides
- Movement
- ethologists

Fact 1: Ethologists usually study how animals behave in their natural environment. Fact 2: Environments reflect native habitats. Given the two facts above, what field studies how animals behave in their habitats? ?
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A: ethologists

Problem:OPTIONS:
- carbon
- life
- warmth
- time
- sleep
- water
- heat
- matter

Fact 1: Hibernation is used for conserving energy by some animals. Fact 2: Basically, heat is energy. Given the two facts above, animals hibernate to conserve what?
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A: heat

Problem:OPTIONS:
- waves
- rays or beams
- a battery
- an object
- barrel-shaped
- nerves
- Loud noises
- it needs them

Fact 1: Aradio converts electrical energy into vibrations. Fact 2: Electric energy is stored in batteries. Given the two facts above, what does a radio use to make vibrations?
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A:
a battery