question: Write a question you would see in a school textbook.
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.
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.
answer:
Which is the best example of evaporation?