Problem:OPTIONS:
- the environment
- heating liquids
- warm rooms
- comfort
- cold water
- survive
- Animal survival
- tepid water

Fact 1: Mammals can also generate little bursts of heat by shivering. Fact 2: Intense shivering and severe pain are natural body reflexes to cold water. Given the two facts above, mammals can also generate little bursts of heat using natural body reflexes to what?
****
A: cold water

Fact 1: Aplant requires water to grow. Fact 2: Bamboos are vigorous, rugged plants. Given the two facts above, what does bamboo require to grow?
OPTIONS:
- Sun
- protein
- fibers
- viruses
- Light
- bacteria
- ice cubes
- water
water

Fact 1: Heterotrophs are living things that cannot make their own food. Fact 2: All animals are heterotrophic. Given the two facts above, what cannot make their own food?
OPTIONS:
- parasites
- animals
- producers
- fungi
- bacteria
- phytoplankton
- plants
- humans

Answer: animals

Question: Fact 1: The surface of a beach is formed by mechanical weathering. Fact 2: And that sand is available to redeposit on the beaches. Given the two facts above, what is formed by mechanical weathering?
OPTIONS:
- planets
- coral
- calcium
- ore
- sand
- soils
- tube
- peat
Answer: sand

input with options: Fact 1: Cells vary in size as well as shape, but all cells are very small. Fact 2: Cells just vary in their forms and functions. Given the two facts above, cells what as well as shape is related to their forms and functions?
OPTIONS:
- orientation
- species
- small
- muscle
- ferns
- host
- grow
- size
output: size

Problem: OPTIONS:
- energy
- carbon
- heat
- earthquakes
- air
- oil
- O2
- water
Q: Fact 1: Burning wood is used to produce heat. Fact 2: Combustion-related, motor vehicles, wood burning, open burning, industrial processes. Given the two facts above, combustion is used to produce what?
Answer:
heat