An environment high in carbon dioxide and high in oxygen induce oxygen to bind to hemoglobin. Another factors are an environment under high pressure and an environment under low pressure. 
        
                    
             
        
        
        
For the first question the answer is C the second one the answer is A
        
                    
             
        
        
        
Analog requires a lot of bandwidth, but digital requires less.
 
        
             
        
        
        
The correct answer is 
C. Mutation during reduction division
        
             
        
        
        
Answer:
DNA helicase
Explanation:
DNA helicase unwinds the DNA strands by breaking the hydrogen bonds down at the center of the strand. this process begins in the replication fork of the DNA strand