Answer:
The molecule on the right; the middle carbon is asymmetric
Explanation:
 
        
             
        
        
        
Answer:
unicellular life first
Explanation:
it arose billions of years ago while multicellular life forms around at least 600 million years ago
 
        
             
        
        
        
Some causes could be the mother smoking, drinking, doing drugs etc. Or even simply her body doesn’t fully accept the baby growing inside her so it acts out against it. Sounds strange but it happens. Also if the mother is sick with Zika or another virus, it can harm the baby’s growth.
        
             
        
        
        
Answer: the answer is b
Explanation: cells are able to synthesize their entire complement of 
Biomolicules 
 
        
                    
             
        
        
        
Im a little late but its B Its a mixture of both  metals and nonmetals