input with options: Q: What happens to a substance in a liquid state when the temperate is lowed? A:
OPTIONS:
- it melts
- it evaporates
- it dissipates
- it solidifies
output: it solidifies

Q: Q: What is vital for nervous system functions that include muscle stimulation, memory formation, and learning? A:

OPTIONS:
- thiamine
- glutamate
- glycogen
- acetylcholine

A: acetylcholine

input: OPTIONS:
- cytokine
- pepsin
- insulin
- telomerase Now, answer this question: Q: The ends of linear chromosomes are maintained by the action of which enzyme? A:
A:
output: telomerase

Q: What is most of earth's surface covered with? A:

OPTIONS:
- insects
- sand
- silicon
- water

Answer: water

Problem: OPTIONS:
- center of earth
- complex of gravity
- direction of gravity
- center of gravity
Q: Q: What do you call the point at which the entire weight of a body may be considered to be concentrated? A:
Answer: center of gravity

Q: What is the standard unit for mass? A:

OPTIONS:
- ounce
- meter
- pound
- kilogram

Answer:
kilogram