Problem:OPTIONS:
- molecules
- electrons
- compounds
- protons

Q: All the atoms of a given element have the same number of what in their nucleus, though they may have different numbers of neutrons? A:
****
A: protons

Q: What travels at a rate of 300,000 kilometers per second, or nearly instantaneously? A:
OPTIONS:
- air
- sound
- gravity
- light
light

Q: Metamorphic rocks form when an existing rock is changed by heat or what? A:
OPTIONS:
- radiation
- chemical reaction
- cold
- pressure

Answer: pressure

Question: Q: What is a disease characterized by high concentrations of glucose in the blood? A:
OPTIONS:
- myeloma
- hepatitis
- leukemia
- diabetes
Answer: diabetes

input with options: Q: All living things require what, which most ecosystems obtain from the sun? A:
OPTIONS:
- oxygen
- water
- heat
- energy
output: energy

Problem: OPTIONS:
- atoms
- antigens
- bases
- alleles
Q: Q: We would genetically be all the same if genes did not have different what? A:
Answer:
alleles