I think I’ll go with C. long dry cold winters
        
                    
             
        
        
        
Answer:
Answer would be no.
B)carbon, hydrogen and oxygen
 
        
                    
             
        
        
        
Answer:
The correct option is A)  It is not written by an authority
Explanation:
In the English language, credibility can be described as the quality of an object to be reliable or trusted. 
A piece of written work which does not mention the name of the writer may be considered to be not reliable and trustworthy. Hence, the correct option is A.
Other options, like option D, is not correct because a peer- reviewed journal carries authentic information as the work has been rechecked by different people who have expertise on the subject.
 
        
             
        
        
        
Answer:
Decrease the effectiveness of this process.
Explanation:
Resistance emerges is an essential part of this process because this resistance causes decrease in the effectiveness of the drugs. If this resistance is not a part of this process, the microbes get resistance from the drugs which  leads to lower the effectiveness of antimicrobial disease or infection so that's why resistance is considered as the essential part of this process of project.
 
        
             
        
        
        
The existence of land bridges was used to dispute continental drift