The answer would be D. 30s (apex)
Answer:The nervous system takes in information through our senses, it then processes it and then triggers a reaction, so when you see your favorite celebirty youd feel a jolt of excitement and adrenaline, the adrenaline makes you feel confident, excited, and energetic. your brain sends a signal to your body to move towards the person and then your brain is like “bro go speak” and so your diaphragm and pushes air up to your voice box then voice cord Vibarates and boom voice
Explanation:
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.
You could possibly record yourself on a tape recorder, something like that, and giving it to the person when you're busy so they can learn while you're gone