D 
because it reflects the same shape of the figure on the top half
        
                    
             
        
        
        
Answer:
The question is incomplete as the options are not stated, here are the options from another website.
options for A, B and C.
 respiration, 
photosynthesis, 
transpiration.
The answers are;
1. Respiration.
2. Photosynthesis.
3. The processes form the carbon cycle.
Explanation:
From number 1. Prices which is respiration, respiration is a process of gas exchange which oxygen is inhaled and carbondioxide is exhaled into the atmosphere.
Photosynthesis uses the carbon to produce food. This is a process where carbondioxide are used by green plants in line with light energy from the sun and water to produce glucose and oxygen.
The processes are carbon cycle because carbon cycle shows how carbon flow from the atmosphere to the biosphere.
 
        
             
        
        
        
It’s blurry I can’t see it good
        
             
        
        
        
The organism or product that is being described in the sentence
above is chalk. This is the product that is formed with the use of the remains
of calcium carbonate. It has a mineral calcite and useful for writing or
drawing in smooth and writable surfaces.