Answer:
The vacuole. Large in plant cells but small in animal cells
 
        
             
        
        
        
Answer:
Common examples include carbon, sulfur, oxygen, iron, copper, aluminium. Elements are represented by symbols. Compounds are substances made from atoms of different elements joined by chemical bonds. They can only be separated by a chemical reaction.
Explanation:
Substances can be categorised as either elements or compounds. Both of these are made up of atoms, the only difference is an element is made of one type of atom whereas compounds are made of two or more different types of atoms.
 
        
                    
             
        
        
        
Answer:
O: Type O individuals can donate blood to anyone, because their blood has no antigens. However, they can only receive blood from other type O individuals (because blood with any antigens is seen as foreign).
 
        
             
        
        
        
They were able to show how to produce the best plant with the right amount of light that the plant is exposed to. 
They were also able to show how to draw blood plasma  from the blood by studying its response to various stimuli.