Which revision best corrects the underlined sentence?

Scientists have studied the benefits of hobbies. Having a pastime reduces stress.
Scientists have studied the benefits of hobbies, having a pastime reduces stress.
Scientists have studied the benefits of hobbies, but having a pastime reduces stress.
Scientists have studied the benefits of hobbies; however, having a pastime reduces stress.

Respuesta :

The first one’s correct.

The second one’s grammatically incorrect.

Answers three and four don’t make sense. ‘Hobby’ and ‘Past time’ are synonyms, why are they being contrasted in those sentences?

Answer:

Correct answer is A) Scientists have studied the benefits of hobbies. Having a pastime reduces stress.

Explanation:

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