Answer:
When you exercise, the muscles you use require more energy. When exercise can be sustained, this demand is met primarily by aerobic means. Aerobic energy production in muscles results in increased gas exchange at the lungs, because more oxygen is taken in and more carbon dioxide is released.
Explanation:
 
        
                    
             
        
        
        
What
information should be included in the closing paragraph of a thank-you letter?<span><span>a.Mention skills
that were omitted during the interview      </span><span>b.Reinforce any
points perceived as weaknesses      </span><span>c.Mention looking
forward to a response      </span><span>d.<span>Reinforce
interest and fit for the position
</span></span></span>
        
             
        
        
        
Answer:2. Flooding and 4 run off 
Explanation:Watershed areas are prone to flooding. They also cause a lot of runoff