It was very bright.
It was quite hot.
It was not so big.
It was 2 million yrs old.
It was made of electrons and neutrons.
Please mark as brainlest.
        
             
        
        
        
Atoms are the smallest unit of non-living things and CELLS are the smallest unit of living things.
        
                    
             
        
        
        
Answer:
A
Explanation:
The littoral zone is the near shore area where sunlight penetrates all the way to the sediment and allows aquatic plants to grow
 
        
             
        
        
        
Explanation:
the answer should be d because of the concentration gradient see if that makes sense