Answer: Development proceeds from the center outward or from the midline to the periphery.
Explanation:
The answer should be B.
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Answer:
between 1,600 and 2,400 calories a day
A. A UNIT OF ENERGY SUPPLIED BY FOOD.
A calorie is a unit of energy. Historically, scientists have defined "calorie" to mean a unit of energy or heat that could come from a variety of sources, such as coal or gas. In a nutritional sense, all types of food — whether they are fats, proteins, carbohydrates or sugars — are important sources of calories, which people need to live and function.
