Answer: A
Explanation: The blood–air barrier (alveolar–capillary barrier or membrane) exists in the gas exchanging region of the lungs. It exists to prevent air bubbles from forming in the blood, and from blood entering the alveoli. ... The barrier is permeable to molecular oxygen, carbon dioxide, carbon monoxide and many other gases.
 
        
                    
             
        
        
        
Answer:
she should tell ginger first because it Will be her alibi and ginger is first who become friend to elvis
 
        
             
        
        
        
Answer:
It is recommended that an athlete consume 16 ounces (two cups) of water two hours before exercise begins. Another eight to 16 ounces (one to two cups) should be consumed 15 minutes prior to exercise.
 
        
             
        
        
        
<span>. Library, weekly farmers' market, park 
Neighborhood
because if you want to be healthy food then there's no better place than weekly farmers' market. Then there's the park, you can excerise or jog there so that'll keep you active
I hope this helps!</span>
        
                    
             
        
        
        
Answer:
take medicine
sleep/rest
blow your nose may help 
drink water/fluids
if its hayfever/ allergies go get some medicine or get help from professional people.
Explanation:
I hope you get better (if you have the runny nose)