Random question?

Which of these will best separate iron filings from sand?

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Question generated: Which of the following is an example of how insects are beneficial to humans?

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

Answer: A student is measuring the distance a car travels down a ramp using yards. Which measurement is most similar in length when using the metric system of measurement?

question: Write a question you would see in a school textbook. OPTIONS:
- The acorns will be carried away by the wind.
- The acorns will attach to another organism.
- The acorns will have a chance to sprout.
- The acorns will turn into fossils.
answer: Some animals, such as squirrels, may bury acorns. Which of the following is most likely to happen to the acorns after they have been buried?

An example of a grad-school level question?
What supplies most of the energy that plants need to make food?

Random question?
Which event would most likely occur if the number of nitrogen fixing bacteria were reduced within an ecosystem?