Q: When struck, how are the rigid crystals of ionic compounds likely to react? Choices: - shrink - bend - grow - break A:
break

Q: What living things have cell walls containing cellulose and plastids such as chloroplasts? Choices: - reptiles - mammals - animals - plants A:
plants

Q: Q: What are the dark areas that appear on the sun called? Choices: - coronas - anomalies - coreolis effect - sunspots A:
A: sunspots

Question: Q: What must two nuclei do for fusion to occur? Choices: - explode - melt - repel each other - collide A:
Answer: collide

*Question*
Q: Where do most skin structures originate in? Choices: - epidermis - cuticle - hypodermis - dermis A:
**Answer**
dermis

*Question*
Q: What is the term for sheets of cells that form a boundary between a mass of cells and a cavity or space? Choices: - mucus - myelin - ganglion - epithelia A:
**Answer**
epithelia