Problem:OPTIONS:
- the middle
- the bottom
- skin
- surface

Q: A biofilm is a colony of prokaryotes that is stuck to what? A:
****
A: surface

Q: In what kind of bond does one atom contribute both of the electrons in the shared pair? A:
OPTIONS:
- a valence bond
- a metallic bond
- an ionic bond
- a covalent bond
a covalent bond

Q: Water is a versatile solvent that can dissolve many ionic and polar molecular solutes to make what? A:
OPTIONS:
- chloride solutions
- sulfate solutions
- sulfide solutions
- aqueous solutions

Answer: aqueous solutions

Question: Q: Which state of matter has the lowest density? A:
OPTIONS:
- liquids
- fluids
- solids
- gases
Answer: gases

input with options: Q: What are antacids comprised of? A:
OPTIONS:
- gases
- solids
- acids
- bases
output: bases

Problem: OPTIONS:
- venus
- the Sun
- Jupiter
- moon
Q: Q: What celestial object has been visited by manned spacecraft and is easily seen from earth? A:
Answer:
moon