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.
Answer:
B) Bone Density
Explanation:
Cardio-respiratory fitness, muscular strength, and flexibility are important to health-related fitness, while bone density is not.
A fetus is considered viable as early as 24 weeks.
<h3>Age of viability of fetuses</h3>
A fetus is formed from a zygote.
A fetus is considered viable when it can survive and become a normal human irrespective of whether it gets to the required gestation period before being delivered.
This period has been found to be as early as the 24th week after fertilization.
More on fetuses can be found here: brainly.com/question/7964921
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Answer:
alright (._. ) ................
Ann needs to be using condoms and avoiding oral sex. STDS are transmitted through body fluids.
