Answer:
a.  It can be used for photosynthesis.
Explanation:
Since carbon dioxide is needed in the photosynthesis process, then much of the carbon dioxide which is produced by green plants is not always excreted in form of metabolic waste because it can be easily used in the photosynthesis process.
 
        
             
        
        
        
Answer:
skin biospy
Explanation:
there is no lab tests to confirm or diagnose dle so a skin biopsy is necessary to confirm the diagnosis
 
        
             
        
        
        
<span>affect a child's ability to learn and get along with others, some people think an ADHD child's behavior is caused by a lack of discipline, a chaotic family life, or even too much TV.</span>