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Rearrange the following sentences to make a coherent passage:

  1. Once they reach a high altitude, they manage to travel all over the world.
  2. An expert from the team explained that the bacteria usually lived on the surface of vegetation, such as leaves.
  3. The wind carries them off the surface and into the atmosphere.
  4. A group of researchers were surprised to find that clouds had carried drug resistant bacteria over a long distance.

Entered answer:

Solution

Correct Answer: 4231

The passage talks about how bacteria travel globally through atmospheric transport.

Link A (4 → 2): "An expert from the team" specifically references "researchers" from sentence 4, and "the bacteria" continues the topic introduced.

Link B (2 → 3): "Them" and "the surface" in sentence 3 directly refer to "bacteria" and "surface of vegetation" from sentence 2.

Link C (3 → 1): "They" refers back to bacteria, and "high altitude" logically follows "into the atmosphere" from sentence 3.


Introduction: Sentence 4 is the introducing sentence because it presents the researchers' surprising discovery about bacterial transport.

Conclusion: Sentence 1 is the concluding sentence because it describes the final outcome of worldwide bacterial travel.


Assembling: Discovery introduction, expert explanation, wind mechanism, then final global travel outcome creates logical flow.

Hence the correct order is 4231

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