The class of nutrient that is necessary for production is D. FAT
Answer:
Explanation:1. Teens are most concerned with Muscular strength. They focus this because it is the most flashy thing to work on.
2. I feel like teens should worry about cardiovascular endurance. They should worry about this the most so they can have more endurance and can go through more stress.
3. They can get this by doing far distance running.
Answer: when females involve themselves in to physical education ,it will be difficult for them to give birth.
Explanation: Research has shown that, females that do more exercises are able to give birth without any difficulties.