Q: Hagfishes have a skull made of what? Choices: - gelatin - chitin - bone - cartilage A:
cartilage

Q: Why does water have a high surface tension? Choices: - high freezing point - helium bonding - oxygenation - hydrogen bonding A:
hydrogen bonding

Q: Q: Air is an example of what state of matter? Choices: - solid - liquid - plasma - gas A:
A: gas

Question: Q: What is the gland in the chest behind the breast bone that stores some types of lymphocytes while they mature? Choices: - Montgomery - lumbar - pineal - thymus A:
Answer: thymus

*Question*
Q: What term describes waves that transfer energy through matter? Choices: - mechanical currents - temperature waves - energy currents - mechanical waves A:
**Answer**
mechanical waves

Q: Converging plates can be oceanic, continental, or one of each. if at least one is oceanic, it will subduct. a subducting plate creates what? Choices: - earthquakes - fires - wind - volcanoes A:
volcanoes