About 11 calories per minute
11x6.5 71.5
The culture of different countries. What may be common in one culture, such as waving in the United States, might be offensive in places like Greece, where putting all five fingers in the air is an offensive gesture.
The answer that fits the blank is the term CHANCE. There would always be variability between the groups because of the variability of the given samples and how these samples are being treated in the first place. This is when chances enter.