Q: The development of a head region is called what? Choices: - trichina - spore - cocklebur - cephalization A:
cephalization

Q: Where are the taste buds located in humans? Choices: - lips - mouth - teeth - tongue A:
tongue

Q: Q: How many valence electrons does nitrogen have? Choices: - 4 - 10 - 3 - 5 A:
A: 5

Question: Q: Like earth, the moon has a distinct crust, mantle, and what else? Choices: - temperature - polarity - atmosphere - core A:
Answer: core

*Question*
Q: An axe head and a doorstop are types of what simple machine? Choices: - pulley - blade - lever - wedge A:
**Answer**
wedge

(Q).
Q: Which body part is unsuitable for animals living on land? Choices: - lungs - feet - hands - gills A:
(A).
gills