Out of the options I would have to say Penetrating Keratoplasty, I am not sure
        
                    
             
        
        
        
No, because the immune system is already battling with the virus or disease
        
                    
             
        
        
        
Answer:
A product of photosynthesis and cellular respiration
Explanation:
 
        
                    
             
        
        
        
Answer:
The given statement is true. 
Explanation:
The enactment of the Environmental Policy Act or the EPA in 1969 was done to monitor the issues of the environment that took place in the 1960s. It was the major and the primary law, which was postulated at that time to solve environmental issues in the United States. The enactment of the EPA law was done for various reasons, some of which are as follows:  
1. To better the health of human beings.  
2. To generate harmony between nature and humans.  
3. To encourage efforts to reduce destruction to the environment.