Your answer is B.
It's called an occluded front where the cold air meets the warm air underneath it. Hot air rises over cold air. :) Hope this helps you. 
 
        
             
        
        
        
Answer:
i know some whatcha need?
Explanation:
 
        
             
        
        
        
It must pass from the nucleus to the ribosomes, hope this helped!
        
                    
             
        
        
        
Correct answer - Frequency.
Why? - The frequency, is the number of waves that pass a certain point in a specified amount of time.
        
                    
             
        
        
        
Answer:
The water molecules move by active transport into the cell from low water concentration to high water concentration