input with options: Q: What is less dense then either solids or liquids? A:
OPTIONS:
- plasma
- ice
- dark matter
- gases
output: gases

Q: Q: What happens to old oceanic crust at convergent boundaries? A:

OPTIONS:
- created
- dissolves
- emerges
- destroyed

A: destroyed

input: OPTIONS:
- contaminate
- chemical
- contamination
- carcinogen Now, answer this question: Q: What is the term for anything that can cause cancer? A:
A:
output: carcinogen

Q: During what period on earth was coal formed? A:

OPTIONS:
- Mesozoic
- Neoproterozoic
- Neoproterozoic era
- the carboniferous period

Answer: the carboniferous period

Problem: OPTIONS:
- idea
- theory
- fact
- law
Q: Q: In science, what do we call a mathematical relationship that exists between observations under a given set of conditions? A:
Answer: law

Q: As distance from the source increases, the area covered by the sound waves increases, lessening what? A:

OPTIONS:
- velocity
- density
- duration
- intensity

Answer:
intensity