Q: What is the small intestine lined with that helps with nutrient absorption? Choices: - bile - hilum - cannula - villi A:
villi

Q: What's another term for egg-laying mammals? Choices: - viviparus - amphibians - herbivores - monotremes A:
monotremes

Q: Q: What kind of compounds change color when bases come into contact with them, so they can be used to detect bases? Choices: - liquid - parameters - metals - indicators A:
A: indicators

Question: Q: What triggers the fight-or-flight response? Choices: - respiration - amphetamine - endorphine - epinephrine A:
Answer: epinephrine

*Question*
Q: In a hot water heater, burning fuel causes the water to get hot because combustion is what type of reaction? Choices: - endothermic - geothermal - biochemical - exothermic A:
**Answer**
exothermic

*Question*
Q: Many ceramics are composed of what, which are salts containing anions composed of silicon and oxygen? Choices: - vinylates - crystals - soils - silicates A:
**Answer**
silicates