Where-In the northern<span> hemisphere
 When- June and November, and very little in September.</span>
        
             
        
        
        
Answer:
We know that 20% of 400 liters is 80 liters.
 
so 20 is 5 divided by 100 so divided 400 by 5 and its 80 
 
        
             
        
        
        
<em><u>i</u></em><em><u> </u></em><em><u>guess</u></em><em><u> </u></em><em><u>its</u></em><em><u> </u></em><em><u> </u></em><em><u>Japan's economy</u></em><em><u> </u></em><em><u>slowed</u></em><em><u> substantially in the 1990's</u></em>
 
        
             
        
        
        
Speaking from experience, the answer is not D.
 
        
                    
             
        
        
        
<span>Radon may cause lung cancer when inhaled. 
a: is formed by the breakdown of the ozone layer
b: may cause lung cancer when inhaled 
c: binds with hemoglobin, preventing binding with oxygen 
d: contributes to the breakdown of the ozone layer
e: in the atmosphere limits the availability of sunlight for plants</span>