Q: What is used to describe gas concentrations of a solution? Choices: - fixation fractions - mesh fractions - atom fractions - mole fractions A:
mole fractions

Q: Metals are good conductors of what? Choices: - light - metabolism - sound - electricity A:
electricity

Q: Q: Cephalopods have three hearts that pump blood of what color? Choices: - purple - Green - Red - blue A:
A: blue

Question: Q: The fuel rods are made of a corrosion-resistant alloy that encases the partially enriched uranium fuel; controlled fission of 235u in the fuel produces heat. water surrounds the fuel rods and moderates this? Choices: - half-life - thermal energy - electromagnetism - kinetic energy A:
Answer: kinetic energy

*Question*
Q: Oxides of small, highly charged ions of what type tend to be acidic? Choices: - liquid - steel - plastic - metal A:
**Answer**
metal

Q: What cannot exist between energy levels? Choices: - crystals - protons - cells - electrons A:
electrons