*Question*
Q: Geysers are created when what is heated beneath the earth's surface? Choices: - magma - gases - air - water A:
**Answer**
water

*Question*
Q: What happens when water is removed from the endospore? Choices: - reversal - suspension - hibernation - its metabolism halts A:
**Answer**
its metabolism halts

*Question*
Q: Abnormally high activity or low activity of the parathyroid gland can cause disorders related to levels of what bone mineral? Choices: - potassium - collagen - magnesium - calcium A:
**Answer**
calcium

*Question*
Q: Which scientist was responsible for the theory of evolution by natural selection? Choices: - stephen hawking - galileo Galilei - albert einstein - charles darwin A:
**Answer**
charles darwin