The answer is diphtheria. The symptoms of diphtheria usually track an incubation period of two to five days. Symptoms primarily are general and nonspecific frequently approaching a typical viral upper respiratory infection. Respiratory taking part usually starts with the sore throat and minor pharyngeal inflammation. The progress of the confined to a small area or coalescing pseudo membrane be able to happen in any part of the respiratory tract. The pseudo membrane is regarded as by the development of a dense, gray debris layer composed of a combination of dead cells, fibrin, red blood cells, white blood cells, and some organisms.
        
             
        
        
        
2 eroding of land by wind
4 overusing land
3 plowing land without replanting
 
        
                    
             
        
        
        
Human being, teeth doctors and tools
        
                    
             
        
        
        
Answer:
Air Pressure
Explanation:
The weight of the air that pushes down on us is air pressure, and air pressure changes depending on where you are.
 
        
             
        
        
        
Yur answer is 8 hope it helped