Answer: D
Explanation: The consumption of fish especially the small fish e.g shellfish is by far the most significant source of ingestion-related mercury exposure in humans and animals.
 
        
             
        
        
        
1. Cytoplasm
2. Ribosomes
3. Plasmid 
These are the 3 features of prokaryotic
        
             
        
        
        
Lipids are found in cell membranes in double layer which is called "Lipid-bilayer".
So, option A is your answer.
Hope this helps!
        
             
        
        
        
A comet. It’s a smaller celestial body that’s composed of mainly ice and dust.