The answer is 6.41 hope this helps                          
        
                    
             
        
        
        
The correct option is C.
An ocean is a very important abiotic factor in any environment and it have impacts on the climate of the environments where it is found. The ocean currents are driven by the global wind system, which is powered by the energy of the sun. These currents transfer heat to the polar regions from the tropics and brings about the cooling of their environment, thus giving rise to cool climate. 
 
        
                    
             
        
        
        
The protein could become denature at extreme temperatures. When this happens its functionality could be incredibly reduced
        
             
        
        
        
Answer:
C, basic contractile unit of muscle fiber.
Explanation:
If you read the definition of sarcomere, this is what it says: "<u>A sarcomere (Greek σάρξ sarx "flesh", μέρος meros "part") is the complicated unit of striated muscle tissue. It is the repeating unit between two Z lines. Skeletal muscles are composed of tubular muscle cells (myocytes called muscle fibers or myofibers) which are formed in a process known as myogenesis</u>."
hope this helps.
 
        
             
        
        
        
Answer:
C.
Explanation:
This is because asexual reproduction has no genetic variation.