question: Write a question you would see in a school textbook. OPTIONS:
- The mountain range was once under water.
- Birds flying overhead dropped the clam shells.
- Animals released the clam shells in their waste.
- The clams lived on land before moving to water.
answer: Fossils of clam shells were found in the Appalachian Mountains. Which of these statements best explains why the clam shells were found in the Appalachian Mountains?

question: Write a question you would see in a school textbook. OPTIONS:
- sexual reproduction
- dynamic equilibrium
- metabolism
- camouflage
answer: Naturally occurring variations within a species are mainly the result of mutations and

question: Write a question you would see in a school textbook. OPTIONS:
- raindrops freezing
- an ice cube melting
- a puddle drying in the sun
- a sponge soaking up water
answer:
Which is the best example of evaporation?