Answer:
Nutrients.
Explanation:
Fats, proteins, and carbohydrates are all nutrients.
By adding another mile, she is both increasing the intensity (because she is running an extra mile), while also increasing her workout time (considering the fact that adding distance also adds time).
So answer should be "A"
Answer: If you can already run 3 miles, then give yourself 12 weeks to train for a half. If you can't run 3 miles, then start with a Couch to 5K (C25K) program and work up from there. Most C25K programs take you from zero to 3 miles in eight weeks. After you reach 3 miles, give yourself at least 12 additional weeks to train for 13.1 miles.
Mr rynolds escaped your welcome