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

Answer: Using nonrenewable resources for energy produces waste products that can have long-term, negative effects on Earth's subsystems. Which energy source produces waste products that can have these effects for the longest amount of time?


question: Write a question you would see in a school textbook. OPTIONS:
- glaciers moving large pieces of a fractured rock
- tree roots growing in a fractured rock
- ice freezing on a rock surface
- wind blowing sand against a rock surface
answer: Which is an example of organic weathering of rocks?


An example of a grad-school level question?
What is the most common element in a star such as the Sun?


I just took a test in school today. What question was I asked?

Question I was asked: Most electrical wires are covered with plastic or rubber. The wires are covered with plastic or rubber because those materials


Random question?

Which of these conditions most likely results from infection?


An example of a grad-school level question?

Which mixture contains ingredients that can be easily separated?