The highest power objective because you will see the specimen perfectly
        
             
        
        
        
Nitrogen isn't found in carbohydrates or lipids
        
             
        
        
        
Males only have X chromosomes and only pass to their daughters
Explanation:
 
        
             
        
        
        
I believe that it’s answer A and C
        
             
        
        
        
Answer:
Reusing
Explanation:
Reusing is the process of using the same thing, resource, again and again, sometimes for the same purpose and sometimes for the new one. This reuse can have many economical and ecological benefits. 
There are many ways to reuse and start this process of ecological thinking:
- in the shopping, reusable bags can be used instead of the plastic ones
- Reuse of the water-the water already used for washing can be used for watering the plants
- Use the benefits of the rain