Random question?

A pan of soup is being heated on an electric stove. A metal spoon is used to occasionally stir the soup. Which of the following is an example of heat being transferred by convection?

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Question generated: Which characteristic of a bird most likely aids in obtaining food found in small places?

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

Answer: A squirrel gathering nuts helps trees

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?
During which phase change is heat energy absorbed by a substance?

Random question?
A species of bird has not been seen since the 1900s and is considered extinct. Which evidence would best disprove the claim that the bird is extinct?