Q: What do you call the heat below earth's surface that can be used to produce electricity? Choices: - inert energy - renewable energy - natural energy - geothermal energy A:
geothermal energy

Q: How many pathogens can each droplet contain? Choices: - tens - billions - hundreds - thousands A:
thousands

Q: What is the most abundant element in the universe? Choices: - carbon - helium - nitrogen - hydrogen A:
hydrogen

Q: How many moons does pluto have? Choices: - six - two - four - three A:
three