The best and most correct answer among the choices provided by the question is the first choice "flu"
The flu<span> is an acute respiratory illness caused by </span>influenza<span> viruses A or B . Most people who get the </span>flu<span> recover completely in 1 to 2 weeks, but some people develop serious and potentially life-threatening medical complications, such as pneumonia.</span>
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Answer:
At least 30 minutes every day
Explanation:
This can be all at once or split over multiple sections in one day.
By having a clean environment and make sure the food is in good conditions as well as following the proper instructions for the meal (ex. washing the fruits)
Ab example of the training principle of change in frequency is Adjusting the duration
