*Question*
Q: What kind of anaerobe is yeast? Choices: - mutualistic - obligate - aerobic - facultative A:
**Answer**
facultative

*Question*
Q: Which metal is not a solid even at room temperature? Choices: - iron - copper - aluminum - mercury A:
**Answer**
mercury

*Question*
Q: What two things determine how much kinetic energy an object has? Choices: - its weight and volume - its height and speed - its mass and direction - its mass and velocity A:
**Answer**
its mass and velocity

*Question*
Q: Does air temperature increase or decrease as it rises higher in the atmosphere? Choices: - both - increase - neither - decrease A:
**Answer**
decrease