*Question*
Q: Saturated hydrocarbons are given the general name of what? Choices: - enzymes - carbohydrates - lipids - alkanes A:
**Answer**
alkanes

*Question*
Q: What does convection within the earth's mantel cause? Choices: - volcanos - hurricanes - microorganisms to move - plates to move A:
**Answer**
plates to move

*Question*
Q: What is the ph of pure water? Choices: - 5 - 4 - 2 - 7 A:
**Answer**
7

*Question*
Q: What serves as the control center of the nervous system? Choices: - spine - bone - heart - brain A:
**Answer**
brain