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The answer is B. from east to west
 
        
             
        
        
        
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They are adapted for photosynthesis by having a large surface area, and contain openings, called stomata to allow carbon dioxide into the leaf and oxygen out. Although these design features are good for photosynthesis, they can result in the leaf losing a lot of water. The cells inside the leaf have water on their surface. Some of this water evaporates, and the water vapour can then escape from inside the leaf.
 
        
             
        
        
        
Answer:
A simple definition of biology is .
Biology is study of living organisms, And divided them in a proper species , division of their cell , and body inner texture is bilogy
Hope it's helpful for you 
you know I love biology so much
 
        
                    
             
        
        
        
Cellular products such as hormones and neurotransmitters are released by the process of exocytosis. <span> Exocytosis is the term that describes the transport of material out of a cell.</span>During this process <span>vesicles fuse with the plasma membrane and release their contents to the outside of the cell.
</span><span>This process is the counterpart of endocytosis.</span>
        
             
        
        
        
Something that doesn’t depend on something else