Problem:OPTIONS:
- coldest season
- Metling snow
- freezes and contracts
- freezes and melts
- mouth of rivers
- In the winter
- freezes and condenses
- freezes and expands

Fact 1: Ice wedging is when ice causes rocks to crack by expanding in openings. Fact 2: Water in the cracks of rocks freeze and expand. Given the two facts above, ice wedging is when water ?
****
A: freezes and expands

Fact 1: Aplant requires nutrients to grow. Fact 2: Carbon dioxide is a plant nutrient. Given the two facts above, what does a plant require for its growth?
OPTIONS:
- deoxyribonucleic acid
- hydrogen and oxygen
- Organic compounds
- Electrical energy
- heat energy
- sunlight
- Energy.
- Carbon dioxide
Carbon dioxide

Fact 1: Vein deposits of gold and silver are formed by igneous intrusion. Fact 2: Gold and silver are valuable products. Given the two facts above, what does igneous intrusion create?
OPTIONS:
- adding heat
- loose soil
- heat energy
- Valuable products
- hydrogen and oxygen
- earthquakes
- graptolites
- objects that have mass

Answer: Valuable products

Question: Fact 1: Muscles can only contract. Fact 2: When contracted the triceps femoris pulls the thigh forward and extends the shank. Given the two facts above, the trcipes femoris is used to move what?
OPTIONS:
- heat
- Mass
- Weight
- feet
- matter
- people
- embryos
- bones
Answer: bones

input with options: Fact 1: Burning wood is used to produce heat. Fact 2: Interior woods are birch, spruce and pine. Given the two facts above, what is burned to produce heat?
OPTIONS:
- Oak
- Gold
- Spruce
- cellulose
- Conifers
- bamboo
- Plastic
- Aluminum
output: Spruce

Problem: OPTIONS:
- money
- atmosphere
- vapor
- friends
- Energy.
- Energy
- Light
- Chemical energy
Q: Fact 1: Cells cannot survive without oxygen. Fact 2: Life is responsible for oxygen in the atmosphere. Given the two facts above, what can't cells survive without?
Answer:
atmosphere