Q: Passive immunity arises from the transfer of what to an individual, without requiring them to mount their own active immune response? Choices: - parasites - bacteria - viruses - antibodies A:
antibodies

Q: Lava flows from a volcano and hardens into what? Choices: - life - snow - sand - rock A:
rock

Q: Q: What are the two main minerals found in ocean water? Choices: - dioxide , chloride - quartz, carbon - carbon , chloride - sodium, chloride A:
A: sodium, chloride

Question: Q: Where are free-living roundworms mainly found? Choices: - arboreal habitats - rainforests - ocean depths - freshwater habitats A:
Answer: freshwater habitats

*Question*
Q: What determines whether a volcanic eruption will be explosive or not? Choices: - lava temperature - magma velocity - curve of magma - thickness of magma A:
**Answer**
thickness of magma

Q: What is the purpose of your body's first line of defense? Choices: - reject foreign bodies - fight or flight - heal wounds - to keep out pathogens A:
to keep out pathogens