input: OPTIONS:
- nitrogen and oxygen
- sun rays
- microwaves
- some mammals
- living things
- animals with backbones
- kinetic energy
- neutrons Now, answer this question: Fact 1: The vanes rotating in an electric fan causes air to move. Fact 2: Air is mostly nitrogen and oxygen. Given the two facts above, what moves because of vanes rotating in an electric fan?
A:
output: nitrogen and oxygen

Fact 1: Unequal heating of Earth 's surface by the Sun causes global wind patterns. Fact 2: Low latitudes, for instance, receive more heat during the day than stations at high latitudes. Given the two facts above, global wind patterns are driven by ?

OPTIONS:
- the sun's energy
- sunlight energy
- windmills
- Earth's magnetic core
- structure and function
- lunar tidal forces
- unequal warming of the Earth's
- Earth's atmosphere circulation

Answer: unequal warming of the Earth's

Problem: OPTIONS:
- sunlight
- heat energy
- electromagnetic energy
- photosynthesis.
- evaporation
- heating liquids
- Electrical energy
- harmful substances
Q: Fact 1: Afire requires oxygen to burn. Fact 2: They produce oxygen as a by-product of photosynthesis. Given the two facts above, a fire requires a by-product of what?
Answer: photosynthesis.

Problem:OPTIONS:
- edible
- combined
- heat
- part
- Joules
- attached
- made
- unique

Fact 1: If an object is made of a material then that object has the properties of that material. Fact 2: Headings include Materials Research, Materials, Ceramic Materials, Composite Materials. Given the two facts above, if an object is what of a Ceramic then that object has the properties of Ceramic?
****
A: made

Fact 1: If an object is black then that object absorbs all visible light. Fact 2: Light is made of photons . Given the two facts above, if an object absorbs all photons then that object?
OPTIONS:
- is reflective
- is black
- Energy.
- heat energy
- inactive
- moves
- is transparent
- is flexible
is black

Fact 1: Sweating reduces body heat. Fact 2: Shivering produces heat in the body. Given the two facts above, what will make human temperatures go in a different direction from what sweating would do?
OPTIONS:
- humidity
- shivering
- improve
- energy usage
- a blazing fire
- hot air
- harm them
- Damages them

Answer:
shivering