Birth control pills contain mam-made forms of two hormones called Estrogen and Progestin. Both hormones prevent a woman's ovary from releasing an egg during her menstrual cycle. They do this by changing the levels of the natural hormones the body makes.
 
        
                    
             
        
        
        
Answer:Proteins
Explanation:
DNA sequences make up amino acids which will make up proteins.  
 
        
             
        
        
        
Answer:
I think Galaxy hope this help in anyway!
Explanation:
 
        
             
        
        
        
Answer:
No, it has too many variables or possible changes.
Explanation:
If you carried out an experiment or research on something, you have to given the same environmental and soil conditions to the factors. In this experiment, Kevin put the first plant in large pot and the other two plants in the field conditions. For performing correct experiments, Kevin put all the plants in separate pots or in the field conditions. 
 
        
             
        
        
        
Answer:
X + Y → Z + Water + Energy. What do X and Y most likely represent? X represents carbon and Y represents glucose. ... X represents glucose and Y represents oxygen