???? Is this a question or what do I need to answer?
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Answer: B. optimum athletic performance is dependent upon a clean environment
Explanation: It is known that an optmun athletic perfomances requires certain conditions in order to be carried out. One of those condition is the cleanliness and the well-being of the environment, because it is part of the setting and the context of the enclosure in where the perfomance takes place. Being this perfomance dependent upon a clean environment, team sports will be contributing to overall environmental health.
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The sentence has a vague pronoun problem because it is unclear if the police officer or the criminal tripped and fell. In order to correct this, the sentence needs to be more specific. We can say any of the following sentences:
The police officer chased the criminal through the streets until <u>the officer </u>tripped and fell.
- It is clear that the officer fell.
The police officer chased the criminal through the streets until <u>the criminal </u>tripped and fell.
- It is clear the criminal fell.
This sentence wouldn't necessarily work with the original sentence since we can infer that only one of them fell because the writer used he. However, if both of them fell, it would be correct as well.
The police officer chased the criminal through the streets until <u>they</u> tripped and fell.
Answer:
In most contexts, they are interchangeable. The only difference that most native speakers can agree upon is that someone is more formal than somebody (just as anyone is more formal than anybody, and everyone is more formal than everybody).
