Fact 1: Preventing the transfer of heat from an organims 's body causes that organism to keep warm. Fact 2: Leaves can keep animals warm. Given the two facts above, how do leaves keep animals from getting cold? ?

OPTIONS:
- can be worn as clothes
- protect them
- adapt to coolness
- heat with the sun
- used to start fires
- hard outer covering
- preventing heat transfer
- A transportation fuel

Answer: preventing heat transfer

Problem: OPTIONS:
- water
- Chemicals
- layers of fat
- food
- Animal fur
- heat energy
- Scratches
- heat produced
Q: Fact 1: Male dogs use pheromones in urine to mark their territory. Fact 2: Pheromones are a sub-category of semiochemicals. Given the two facts above, what do dogs use to mark their territory?
Answer: Chemicals

Problem:OPTIONS:
- water
- speed
- air
- Earth
- Length
- solar
- heat
- Energy

Fact 1: Temperature falls from the equator to the poles. Fact 2: Temperature Temperature is an measurement of the amount of heat. Given the two facts above, what can be measured from the equator to the poles?
****
A: heat

Fact 1: Flagella help prokaryotes move. Fact 2: Sperms have flagella. Given the two facts above, sperms can help prokaryotes what?
OPTIONS:
- live
- work
- move
- form
- grow
- growth
- Energy
- fusion
move

Fact 1: Crossing two living things with recessive traits causes their offspring to have that recessive trait. Fact 2: White eye color is a recessive trait. Given the two facts above, crossing two living things with what will cause their offspring to have it?
OPTIONS:
- genetic diversity
- density
- animals with backbones
- volume
- haploid plants
- gravity
- hydrogen and oxygen
- white eye color

Answer: white eye color

input with options: Fact 1: Operating an automobile usually requires fossil fuels. Fact 2: Fossil fuels are a finite resource. Given the two facts above, what powers most automobiles? ?
OPTIONS:
- Sunlight.
- A finite resource.
- Natural gas.
- an engine
- energy of moving objects
- Water
- a hydraulic system
- transportation technology
output:
A finite resource.