Answer:
Each villus, in turn, has thousands of even smaller projections called microvilli (singular: microvillus). 
Explanation:
The villi contain capillaries, which are tiny blood vessels. Nutrients are absorbed into these capillaries across the surfaces of the villi and microvilli. Because there are millions of these tiny projections, they greatly increase the surface area for absorption.
 
        
             
        
        
        
Polar substances .
u havent given any option
        
             
        
        
        
Answer:type of soil
Explanation:
Because the only thing thats changing is the time of day
 
        
             
        
        
        
I believe the answer is chromosomes.
Chromosomes are basically coiled up pieces of DNA with proteins.
I hope this helps! If it doesn't, please reply.