Answer:

Explanation:
thickness of aerosol layer is 2.5 km
zenith angle is 40 degree
we know that

where 

 is extinction coefficient
 is extinction coefficient 
 extiction cross section
 extiction cross section
N = Concentration

                      

                         
 

         
transimiitance 
                        

 
 
        
             
        
        
        
Answer:
- Learning about, using, and understanding these pyramids is an ... sides, age on the y-axis, and the percentage of population on the x-axis. ... Rather, it displays percentages and shows what portion of people fall ... The more a graph looks like a pyramid, the faster that population is growing; old generations ...
Explanation:
 
        
             
        
        
        
Answer:
I think A.Chinese people are too interested in nature.
Explanation: