Answer:
They are critical ecosystem service providers for the sustenance of humanity.The soil system is a dynamic ecosystem that has inputs, outputs, storages and flows. The quality of soil influences the primary productivity of an area..
Step-by-step explanation:
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Answer:
I don't know
Step-by-step explanation:
 
        
             
        
        
        
These numbers are  "a"  and "b".  
Sum is 64,  so  
a+b=64
Difference  is 42  so  
a-b=42
So you've got:

When a+b=64 and a=53  you've got:
53+b=64
b=11
So these numbers is 53 and 11. 
 
        
        
        
Answer: 263/500
Step-by-step explanation:
Convert the percentage to a fraction by placing the expression over 100 like this: 52.6/100
Convert the decimal number to a whole number by shifting the decimal one place over on the denominator and numerator: 526/100 
Then simply and you get 263/500