The correct option is c. (20 m) .
As the formula to calculate wavelength is :
wavelength = wavespeed / frequency
        
             
        
        
        
<span>A hygrometer is used to measure WATER VAPOR, and its measurements will differ between climate zones.
So the answer is </span><span>a. the percentage of water vapor, or humidity, that is in the local atmosphere </span>
        
             
        
        
        
Answer:
1. mutation and genetic recombination
 
        
             
        
        
        
Answer:
27.5
Explanation:
Divide 75 by 6. You get 12.5. Multiply 12.5 by 2.2 (when converting kilo to pound, you multiply by 2.2) Then, you'll get 27.5. The answer is 27.5 pounds/lbs.
 
        
             
        
        
        
I do not know but does it depend on how big or what the temperature is