Q: Air flows into the lungs largely due to a difference in what? A:
OPTIONS:
- gravity
- resistance
- thrust
- pressure

Answer: pressure

Question: Q: What is the general composition of the continental crust? A:
OPTIONS:
- limestone
- marble
- sandstone
- granite
Answer: granite

input with options: Q: Light moving from air into water is bent ___________ the normal? A:
OPTIONS:
- less
- thinly
- Longly
- more
output: more

Q: Q: The primary function of leaves is to collect sunlight and make food by what process? A:

OPTIONS:
- nuclear fission
- osmosis
- duplicate process
- photosynthesis

A: photosynthesis

input: OPTIONS:
- marrow
- collagen bands
- hormones
- muscle Now, answer this question: Q: Arteries have thinner wall layers and valves and move blood by the action of skeletal what? A:
A:
output: muscle

Question: Q: Decay of what provides some of earth's internal heat? A:
OPTIONS:
- ionic elements
- decaying elements
- radioactive compounds
- radioactive elements
Answer:
radioactive elements