Q: In celsius, what is the temperature at which water freezes? Choices: - 32 degrees - 100 degrees - absolute zero - zero degrees A:
zero degrees

Q: Birds have air sacs that store inhaled air and push it into their what? Choices: - beaks - bones - abdomens - lungs A:
lungs

Q: Q: Which law means that the simplest of competing theories is most likely to be correct? Choices: - Newton's law - Law of Conservation - Murphy's Law - law of parsimony A:
A: law of parsimony

Question: Q: What disease, caused by vitamin c deficiency, causes bleeding gums, nosebleeds, and other symptoms? Choices: - rickets - dehydration - leukemia - scurvy A:
Answer: scurvy

*Question*
Q: What type of force always opposes the direction of motion? Choices: - binary friction - strong force - harmonic friction - kinetic friction A:
**Answer**
kinetic friction

Q: Q: What is the radula made mostly of? Choices: - casein - chlorophyll - schist - chitin A:
A: chitin