input with options: Q: The motion of molecules in a gas is random in magnitude and direction for individual molecules, but a gas of many molecules has a predictable distribution of what, which is called the maxwell-boltzmann distribution? A:
OPTIONS:
- molecular size
- molecular rate
- molecular shape
- molecular speeds
output: molecular speeds

Q: Q: Having polar bonds may make a covalent compound what? A:

OPTIONS:
- ionic
- negatively charged
- neutral
- polar

A: polar

input: OPTIONS:
- technical analysis
- qualitative analysis
- fundamental analysis
- quantitative analysis Now, answer this question: Q: What helps determine the concentration of a species in a solution? A:
A:
output: quantitative analysis

Q: Why would prokaryotes be chemotrophs instead of phototrophs in a deep-sea hydrothermal vent? A:

OPTIONS:
- too cold
- too much light
- too much heat
- lack of light

Answer: lack of light

Problem: OPTIONS:
- polar
- acids
- ions
- non-polar
Q: Q: What molecules are usually insoluble in water? A:
Answer: non-polar

Q: What makes the earth habitable for humans? A:

OPTIONS:
- carbonate of water
- aridity of water
- availability of water
- abundance of water

Answer:
abundance of water