Answer:
 Antibiotics have helped in a speedy recovery for human illnesses over the past century.
Explanation:
 Because anti biotics were not present centuries ago, many would get sick and even die. However, antibiotics work by affecting things that bacterial cells have but human cells don't. This helps to fight off the bacterial cells and fight infections and viruses, leading to a speedy recovery.
 
        
                    
             
        
        
        
I believe the correct answer from the choices listed above is option B. It is sand that is the most permeable. It can be proved by the value of the <span>Permeability variation where send has the highest value of 5.0. Hope this answers the question. Have a nice day.</span>
        
                    
             
        
        
        
I think it is a petrified fossil but you didn't give any choices
 
        
             
        
        
        
Answer:they monitor it through a modern system machine, it's important because we need to know the population we have. 
Explanation: which means are we increasing it reducing in our population 
 
        
             
        
        
        
I think D because the whole thing is gaseous and it has two atmospheric layers