题目内容
A person’s diet affects their energy levels. Which of the following foods is most likely to promote sleepiness?
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Ariel is making his favourite sweetened ice tea. Instead of using sugar he decides to replace the 200g of sugar (774 calories) from his recipe with a 1g (rounded to the nearest whole number) of sugar substitute to achieve a drink of the same sweetness. In doing so he reduces the caloric value of his sweetened ice tea by 770 calories. What sweetener did Ariel use?
Frank is writing a cookbook. He makes a recipe for a low calorie muffin in which he substitutes 300g of white cane sugar (1,161 calories) with 1g of a sweetener to make a product of the same sweetness. The end results are muffins that contain zero calories from sugar or sweetener. What sweetener did Frank use?
Tiffany is experimenting with sugar substitutes to find a way to make reduced calorie muffins. She decides to replace the sugar in the recipe with a sugar substitute. Unfortunately, when she tastes the muffins after she takes them out of the oven she finds that they are not sweet. What sugar substitute was most likely used?
DDT, a pesticide, was extensively used from the 1940s to 1970s. Choose the statement that best describes why its use has since been restricted in some countries.
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