question: Write a question you would see in a school textbook.
answer: How do the waxy stem covering and needle-shaped leaves improve the ability of a cactus to survive in the desert?

question: Write a question you would see in a school textbook.
answer: A student conducts an experiment using a common but potentially harmful bacteria culture. After working with the bacteria, which is the most important safety practice to follow?

question: Write a question you would see in a school textbook.
answer:
Human muscle cells need nutrients and oxygen during exercise. The human body is able to meet the needs of the muscle cells during exercise by increasing