Answer:
excretion is the action of expelling waste from one's body.
Explanation:
 
        
                    
             
        
        
        
Answer:
they both are solid at room temperture
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Answer:
Alfred Lothar Wegener was a German polar researcher, geophysicist and meteorologist. During his lifetime he was primarily known for his achievements in meteorology and as a pioneer of polar research.
 
        
                    
             
        
        
        
Answer:
The correct answer is carbohydrate chain.
Explanation:
Plasma membrane contain three types of protein  a peripheral protein b transmembrane protein and c GPI anchored protein.
     Some membrane protein basically peripheral proteins contain oligosaccharide chain arranged towards the extracellular region of the plasma  membrane with respect to the surface of that glycoprotein.
    The oligosaccharide chain of glycoprotein play an important role in to identify signals from outside the cell.These signals may include the entry of virus particles inside our body,protein targeting etc.
 
        
             
        
        
        
Answer:
Because it is a muscular body organ