input with options: Q: On what basis are lipoproteins classified? A:
OPTIONS:
- diameter
- mass
- weight
- density
output: density

Q: Q: In a ketone, two of which kind of groups are attached to the carbonyl carbon atom? A:

OPTIONS:
- ions
- nitrogen groups
- oxygen groups
- carbon groups

A: carbon groups

input: OPTIONS:
- velocity
- momentum
- freezing
- stretching or compressing Now, answer this question: Q: What causes an elastic force in springs? A:
A:
output: stretching or compressing

Q: Reducing the number of molecules in a rigid container causes what to decrease? A:

OPTIONS:
- velocity
- demand
- energy
- pressure

Answer: pressure

Problem: OPTIONS:
- fatty microorganisms
- lentiviruses microorganisms
- sponges microorganisms
- chemosynthetic microorganisms
Q: Q: What do tube worms rely on for food? A:
Answer: chemosynthetic microorganisms

Q: What is the name of the "point" that refers to the temperature at which water vapor condenses? A:

OPTIONS:
- melting point
- brine point
- water point
- dew point

Answer:
dew point