The outcome, if Samia continues this pattern for multiple weeks, will be she will lose significant weight. The correct option is B.
Calories are the countable amount of what we eat. There are perfect calories per day is estimated with regard to age, gender, and the place where he live.
Samia's estimated calories are 1,680, she took 1,940 and 280 calories burned down, so there is a loss of calories, so she will lose weight.
Thus, option B. She will lose significant weight is correct.
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