Answer:
D)	a scientific journal about chemistry and a biography of a famous chemist
 
        
                    
             
        
        
        
Answer is b explanation is because it’s the only one I think makes sense
        
                    
             
        
        
        
Answer: Option a 
Explanation:
Biotechnology is the branch which deals with the most advanced techniques which is required to make the life easy.
One of the most important application is Genetically modified crops. Genetically modified crops are pest resistant and have many advantages.
There are few disadvantages one of them is beneficial insects are also adversely affected. There are many useful insects that helps in pollination and    they are also killed because of pest resistant plant.
hence the correct answer is option A