Q: Fact 1: If gas is heated then that gas will expand. Fact 2: Nitrogen gas is the most abundant gas in the atmosphere. Given the two facts above, what does nitrogen do when it's heated?

OPTIONS:
- Expands
- boiling
- moves
- Solidifies
- Melts
- heat
- burning
- Condenses

A: Expands

input: OPTIONS:
- milk
- rocks
- coffee
- edible
- food
- phytoplankton
- influenza
- tuna Now, answer this question: Fact 1: Killing microorganisms in food can be used to extend the shelf life of that food. Fact 2: Bacteria are microorganisms that exist everywhere. Given the two facts above, bacteria can be killed to extend the shelf life of what?
A:
output: food

Fact 1: Mollusks are invertebrates such as the common snail. Fact 2: An invertebrate is an animal that has no spine, or backbone. Given the two facts above, what has no backbone?

OPTIONS:
- chimp
- snail
- bats
- insects
- monkey
- sharks
- coward
- salmon

Answer: snail

Problem: OPTIONS:
- Relieve pain
- enhance food's nutrients
- improves food safety
- allows growth of bacteria
- increases food waste
- chemical changes
- get chemical reactions started
- major threat to health
Q: Fact 1: Irradiating food can be used to kill existing microorganisms in the food. Fact 2: Food irradiation is one tool for improving food safety by killing pathogenic microorganisms. Given the two facts above, what does irradiating food do?
Answer: improves food safety

Problem:OPTIONS:
- To conserve energy
- recovery time from fatigue
- They get bored
- Endocrine system
- They only like warmth
- dormant state
- To save time
- hydration

Fact 1: Hibernation is used for conserving energy by some animals. Fact 2: Animals that sleep through the winter are said to hibernate. Given the two facts above, why do animals sleep through winter?
****
A: To conserve energy

Problem:OPTIONS:
- swea
- Winter
- wind
- rivers
- CO 2
- sand
- peat
- ice

Fact 1: Wind causes erosion. Fact 2: Water erosion has similar consequences as wind erosion. Given the two facts above, what causes weathering?
****
A:
wind