Q: Fact: a trunk is a source of support for a tree
Question: A tree must depend upon, for its support
OPTIONS:
- A large fibrous mass
- plants on the forest floor
- the wooden welfare state
- massive redwoods on the backs of turtles

A: A large fibrous mass

Q: Fact: vaccines can help prevent illness
Question: Before their trip to the Amazon Bill and Jane had sharp metal objects stuck into their arms by a doctor.
OPTIONS:
- they were getting ice water injected so they would stay cool in the Amazon
- they wanted to avoid contracting something
- aliens performed experiments on them
- they wanted to catch the flu

A: they wanted to avoid contracting something

Q: Fact: as mileage per galon of gasoline increases , the amount of gasoline used will decrease
Question: when fuel efficiency increases, gasoline use in cars will
OPTIONS:
- stay the same
- cause more windstorms
- increase
- decrease

A: decrease

Q: Fact: carnivores only eat animals
Question: Which is a carnivore?
OPTIONS:
- a cow
- a caterpillar
- a vegan
- a shark

A:
a shark