Q: Gasoline, natural gas, fuel oil, diesel fuel, jet fuel, coal, kerosene, and propane are examples of what type of fule? Choices: - electrolysis fuel - polymerization fuel - nuclear fue - hydrocarbon fuel A:
hydrocarbon fuel

Q: What are ionic substances completely held together by? Choices: - thermal bonds - localized bonds - magnetic bonds - ionic bonds A:
ionic bonds

Q: What type of rock contains concentrations of valuable minerals? Choices: - sedimentary - igneous - metamorphic - ores A:
ores