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Consider the following statements about coupling in the climate system.
1. The components exchange energy, momentum and matter.
2. A change in one component propagates to the others.
3. Each component can be modelled in isolation without loss.

  • A.All of them
  • B.1 and 2 only
  • C.3 only
  • D.1 only

Answer: B

The first two are correct. The third is the reason coupled models exist, since an atmosphere model with a fixed ocean gives a quite different answer from a coupled one. Coupling is essential. Each component responds to what the others do.

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