Problem: Write a question you would see in a school textbook.

Answer: Many cells have a nucleus that contains chromosomes. These chromosomes carry genes that are composed of

Problem: Write a question you would see in a school textbook.

Answer: What happens at the boiling point of a substance?

Problem: Write a question you would see in a school textbook.

Answer:
In 1971, the bones of an extinct flying dinosaur were discovered. This kind of discovery helps everyone learn more about