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).
Compared to adults, the infants rib cage at the bottom is not as RIGID.
Heart disease ways you can keep your heart healthy would be one.
D because if you are trying to reduce the carbon footprint then using less coal or oil based energy would be best. plus using the solar panels will help because all you have to rely on is the sun and your own power bank for energy. there for leaving less of a carbon footprint.
