I believe it is carbohydrates
Answer:
Kids 1 to 3 years old need 700 mg of calcium a day (2–3 servings). Kids 4 to 8 years old need 1,000 mg of calcium a day (2–3 servings). Kids and teens 9 to 18 years old need 1,300 mg of calcium a day (4 servings).
Explanation:
Children who get enough calcium start their adult lives with the strongest bones possible.
Our lung capacity naturally starts to decrease at the age of 30. By the time we reach 50, it could be decreased by half. I'm not sure about when we reach 90 though. Hope this helps! :)
The answer is D. 4-8 weeks
Up to that point, we have to significantly increase the burden in our muscle training in order to see more gains
That's why most of fitness program promise a result in about 45 - 60 days
