Random question?

Which of these cycles takes 24 hours?

Generate a question

Question generated: Carlos puts a new battery into a radio. What does the battery supply to the radio that makes it turn on?

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

Answer: Certain flowers will open for twelve hours and then close. Which stimulus do the flowers respond to when they open and then when they close for that time period?

question: Write a question you would see in a school textbook. OPTIONS:
- claiming Earth is in orbit about the Sun.
- inventing, then improving, the telescope.
- writing the theory of the infinite universe.
- showing planetary orbits are elliptical.
answer: Copernicus changed the way people viewed the solar system by

An example of a grad-school level question?
Pedro shook a can of soda. When the soda was opened, foam and soda burst from the can. Which statement best explains what happened?

Random question?
Which explains the pattern of day and night?