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What is meant by the author – "there are some laws that tell us how the universe has changed over time"?

  • A.If we know what the universe is like any one point of time, these physical laws tell us how it will look like at a later time.
  • B.Universe is constantly changing into complex forms with respect to time.
  • C.The relative abundance of laws explaining universal changes with time makes it difficult for scientists to work on them.
  • D.Laws are inadequate to explain the infancy of the universe.

Answer: A

The sentence means that if we know the universe at one moment, the laws tell us how it will appear later. The passage says there are laws that tell us how the universe has changed over time, and the next idea is the uncertainty about the initial state. Option A gives this meaning of laws that carry a known state forward. The other options claim that the universe changes into complex forms, that the abundance of laws is a difficulty, or that laws are inadequate for the infancy of the universe, which the passage does not say.

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