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: Living organisms require energy for biological processes. Chemical energy in a plant cell is

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

Answer:
How is the theory of plate tectonics different from a hypothesis regarding a certain aspect of plate movement?