Random question?

One way to protect against food poisoning is to

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Question generated: Before rock can become soil, it must undergo certain processes. One process in the formation of soil involves plants. How can plants chemically change rocks into soil?

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

Answer: The human body is made up of organ systems that work together as one unit. Which systems work together to prepare and distribute food for cells?

question: Write a question you would see in a school textbook. OPTIONS:
- lakes
- oceans
- rivers
- glaciers
answer: Humans cannot survive without clean, fresh water. Reservoirs of liquid water vary, but all water spends time as a gas in the atmosphere. What is the source of most of the water in the atmosphere?

An example of a grad-school level question?
What is the name of the product formed from the reaction shown below? 4Fe(III) + 3O_{2} -> 2Fe_{2}O_{3}

Random question?
Jonny climbed an apple tree. How are Jonny and the apple tree similar to each other?