input with options: Q: What is the name of the science that is concerned with naming and grouping organisms? A:
OPTIONS:
- geology
- methodology
- biology
- taxonomy
output: taxonomy

Q: Q: Crystallization separates mixtures based on differences in what, which usually increases with temperature? A:

OPTIONS:
- density
- viscosity
- humidity
- solubility

A: solubility

input: OPTIONS:
- caliper
- sling
- wheel
- fulcrum Now, answer this question: Q: One of the simplest machines is the lever, which is a rigid bar pivoted at a fixed place called what? A:
A:
output: fulcrum

Q: Inorganic chemistry refers to the study of materials *not* containing which element? A:

OPTIONS:
- hydrogen
- helium
- oxygen
- carbon

Answer: carbon

Problem: OPTIONS:
- homogeneous
- amorphous
- mixed composition
- heterogeneous
Q: Q: What is the term for a mixture that varies in its composition? A:
Answer: heterogeneous

Q: The size of the solute particles determines the rate of what? A:

OPTIONS:
- merging
- extracting
- solution
- dissolving

Answer:
dissolving