Q: The colloquial term "ribbon worm" refers to the mostly marine species of what phylum? Choices: - nematoida - lophophorata - gnathifera - nemertea A:
nemertea

Q: Nitrogen wastes are produced by the breakdown of what during normal metabolism? Choices: - enzymes - hormones - lipids - proteins A:
proteins

Q: Q: What do tadpoles turn into? Choices: - insects - fish - snakes - frogs A:
A: frogs

Question: Q: Named after the dutch physicist, the van de graaff is a type of what device used for nuclear research? Choices: - radiation detector - electromagnetic - barometer - accelerator A:
Answer: accelerator

*Question*
Q: What type of compound is essential to life? Choices: - carbon - oxygen - nitrogen - water A:
**Answer**
water

Q: What temperature scale is obtained by adding 273 degrees from the corresponding celsius temperature? Choices: - whittle scale - seismic scale - ph scale - kelvin scale A:
kelvin scale