Random question?

The burning of fossil fuels has added pollutants that contain sulfur atoms to the air. These pollutants have contributed to which of the following?

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Question generated: Dominic placed a caterpillar in a container with different kinds of leaves. Which information should he record to find out what food this caterpillar eats?

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

Answer: How do producers get energy?

question: Write a question you would see in a school textbook. OPTIONS:
- abundant rain in the Ozarks
- excessive pumping from wells
- dams on the lower Mississippi
- community water conservation
answer: Some of Earth's water is stored underground in porous rock formations known as aquifers. Which of these could use up groundwater in aquifers?

An example of a grad-school level question?
Light rays are focused by the lens of a camera through the process of

Random question?
What keeps Mars in orbit around the Sun?