If you plan on going for a run during a high pollution advisory your body will require more o2 to be able to produce more energy to keep doing that activity and of all your breathing in is chemicals and co2 if will effect your lungs and heart with poison
(hope this helps)<span />
Definetly A. They work on the ability to supply oxygen to the lungs from the heart, to help them run.
Regular exercise helps make us more alert and energetic, by releasing endorphins which is a chemical that improves our mood.
<span>Absolute location</span> involves examining different populations in the world, including their distribution and trade patterns