Answer:
The xylem is located in the root, stem and the leaves of a plant.
The xylem contains dead cells arranged end-to-end forming continuous vessels. They have a hollow central space (lumen)  through which water passes. They walls contain lignin. 
The xylem carries water and minerals, up from the roots to the rest of the plant.
 
        
             
        
        
        
The  greenhouse  gases   effect  the  environment  by  leading   to  climate  change  and   global  warming. 
Due   to  green  house  gases  the  earth become   warmer  than  normal.This  affect  weather  patterns  which  led to  global  warming  and  climate  change.In   the  last  3  million  years  the  amount  of  greenhouse  gases   in  our   atmosphere  is the highest  which  led to  global  warming.
        
             
        
        
        
no energy is accuring because your hands are too cold
 
        
                    
             
        
        
        
The name is : DNA Replication
        
             
        
        
        
Answer: 
C. Relative Humidity Increases
Explanation:
correct answer from a.p.e.x.