Answer:
Option 4
Explanation:
The 4 most common lengths for races are a 5k (about 3 miles) a 10k (About 6 miles) a half-marathon (13.1 miles) and a marathon (26.2 miles).
Since there are no answer choices, I am giving the answer that I think would best fill in the blank correctly. The best answer would be:
manipulating
Good oxygen usage during exercise, low resting heart rate, and good step- test results, are some of the GOOD things that come from regular exercise.
High blood pressure <em>(A)</em> is one of the BAD things that happen to people who DON't exercise regularly.
I believe that is the age of sixteen.
