During the day time, due to intense heat, the water present in <em><u>stomata</u></em> vaporizes, and this
process is known as <em><u>Transpiration</u></em> .
So, correct option is :
<em><u>C: transpiration</u></em>
 
        
             
        
        
        
The expression would be $0.20 x f. Once you figure out what the 'f' variable stands for, you have to multiply it by $0.20, and you will have your answer.
 
        
             
        
        
        
An animal cell lacking carbohydrates on the external surface of its plasma membrane would likely be impaired in CELL TO CELL RECOGNITION.
Carbohydrates have diverse functions, one of their functions is that they serve as a recognition signal at the surface of cells.
Carbohydrates located on the surface of cells enable cells to recognize and  communicate with one another.
        
             
        
        
        
The answer is B because A is being changed .