Problem: OPTIONS:
- tectonic plates being pushed together
- they are shiny
- flow of electrons
- matter vibrating
- they have large specific heats
- they are hard
- they can rust
- electron transport
Q: Fact 1: When metal conducts heat , that metal expands. Fact 2: Metals have large specific heats, that is why they conduct heat well. Given the two facts above, why can metals expand?
Answer: they have large specific heats

Problem:OPTIONS:
- less water
- dryness
- growth
- climate
- looseness
- nutrients
- roughness
- compact

Fact 1: The looseness of soil increases the amount of oxygen in that soil. Fact 2: Oxygen in the soil is vital for healthy roots. Given the two facts above, healthy roots can be due to what aspect of soil?
****
A: looseness

Fact 1: Flagella help prokaryotes move. Fact 2: Prokaryotes All bacteria are prokaryotes. Given the two facts above, what uses flagella to move?
OPTIONS:
- fungi
- barnacles
- fish
- cacti
- humans
- Most plants
- bacteria
- h2o
bacteria

Fact 1: An animal requires stamina to succeed at physical activities. Fact 2: Humans are animals too. Given the two facts above, what requires stamina to succeed at physical activities?
OPTIONS:
- mushrooms
- Mammal
- trees
- bullfrogs
- oxygen
- Lobsters
- humans
- pigeons

Answer: humans

Question: Fact 1: Conserving resources has a positive impact on the environment. Fact 2: Recycling conserves natural resources. Given the two facts above, recycling has a positive impact on what?
OPTIONS:
- near the shoreline
- plastic properties
- coral reefs
- the environment
- grain yields
- important habitats
- strawberry yeilds
- organic molecules
Answer: the environment

input: OPTIONS:
- humans
- trees
- Energy
- animals
- plants
- vitamin C
- honeybees
- Earth Now, answer this question: Fact 1: Grasses supply most of the food consumed by people worldwide. Fact 2: Grasses are very distinctive plants. Given the two facts above, most of the food consumed by people worldwide comes from?
A:
output:
plants