It’s d!!!!
Ik this since I did this quiz
        
                    
             
        
        
        
Answer:
As well as producing hormones, vaccines and other drugs genetic engineering has the potential to cure genetic diseases through gene therapy. ... Genetic engineering: Process of inserting new genetic information into existing cells in order to modify a specific organism for the purpose of changing its characteristics.
Explanation:
 
        
             
        
        
        
 to allow single-celled<span> organisms to produce useful products</span>
        
             
        
        
        
Scavengers play an important role in the network of food. They keep the world clean from the remains of dead animals, or carrion. Scavengers break down this raw material and recycle it as nutrients into the environment. Vultures consume only the corpses of deceased animals.
        
             
        
        
        
Cratering, Erosion, Volcanoes and Weathering