Random question?

In one of the steps of the carbon cycle, a person exhales a molecule of carbon dioxide (CO2) into the atmosphere. Which of the following is most likely to happen next to the atom of carbon in this molecule?

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Question generated: Electricity has many uses. Which device is designed to transform electrical energy into useful heat energy?

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

Answer: Which of these is a function of all cells?

question: Write a question you would see in a school textbook. OPTIONS:
- As the distance from Earth to the star decreases, its size increases.
- As the distance from Earth to the star increases, its size decreases.
- As the distance from Earth to the star decreases, its apparent brightness increases.
- As the distance from Earth to the star increases, its apparent brightness increases.
answer: Which statement correctly describes a relationship between the distance from Earth and a characteristic of a star?

An example of a grad-school level question?
A handheld sewing machine uses a battery to make a needle move. The needle goes up and down quickly. Which energy change is taking place?

Random question?
Alan is using cabbage juice to determine the relative pH of various household solutions. Which of these steps communicates the results of his investigation?