Answer:
The correct answer is A.They secrete enzymes that break down dead matter or living organisms and absorb the released nutrients. 
Explanation:
Most of the fungi are saprophytic which means they grow on dead and decaying organic matter like fallen trees, leaves, and dead animals and get nutrition by digesting these dead organic matter.
Fungi do not have stomach so they secrete enzymes like α- amylase, cellulase, xylanase, etc from their hyphae that helps in digesting complex organic molecules into simple form which can easily be absorbed by these fungus.  
By decomposing these organic matter they recycle the nutrients and clean the pollution from the environment. So the correct answer is A.
 
        
             
        
        
        
Answer:
Op art works in a similar way. Artists use shapes, colours and patterns in special ways to create images that look
Explanation:
 
        
             
        
        
        
A nephron is the functional unit of the kidney. it is the structure that produces urine which is the process of removing waste and excess substances from the blood. there are about 1,000,000 nephrons in each human kidney.