The sentences given below, when properly sequenced, form a coherent paragraph.
Each sentence is labelled with a number. Decide on the most logical order and enter the sequence of numbers in the space provided. Only numbers are to be entered in the space provided for the answer, and no letters, characters, or spaces should be entered. For example, a response such as 3412 is valid, and responses such as 3412. or 3 41 2 are invalid.
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.
Correct Answer: 4231
The most logical sequence is 4231.
The paragraph begins with Sentence 4, which introduces the central idea: researchers discovered that clouds can carry drug-resistant bacteria over long distances. Sentence 2 follows by giving background information about the origin of these bacteria, explaining that they usually live on the surface of vegetation, such as leaves. Sentence 3 then explains how the bacteria get from the vegetation into the atmosphere — the wind carries them. Finally, Sentence 1 completes the sequence by stating that once the bacteria reach high altitudes, they can travel all over the world, tying back to the global spread mentioned in the opening sentence. This sequence establishes a smooth and logical transition from discovery to explanation to outcome.
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