Random question?

A student sets a block at the top of a wooden ramp. The student pushes the block. As the block slides down the ramp, it slows down and then comes to a stop. What force causes the block to slow down?

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Question generated: Many bacteria are decomposer organisms. Which of the following statements best describes how these bacteria help make soil more fertile?

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

Answer: A layer of solid brittle rock comprises the outer 100 kilometers of Earth. This layer, which contains both the crust and the upper mantle, is called the

question: Write a question you would see in a school textbook. OPTIONS:
- The universe is expanding.
- The universe never changes.
- The universe began in a hot, dense state.
- The universe began at a single point and time.
answer: Which of these statements is not considered part of the Big Bang Theory?

An example of a grad-school level question?
Which is an example of a group of cells with a common structure and function?

Random question?
Which of these is unique to the process of scientific investigation?