Answer:
C
Explanation:
Positive natural selection, or the tendency of beneficial traits to increase in prevalence (frequency) in a population, is the driving force behind adaptive evolution. ... At the molecular level, selection occurs when a particular DNA variant becomes more common because of its effect on the organisms that carry it.
 
        
             
        
        
        
<span>planet earth is abundant in water, but there is no way to scientifically determine from where earth's water originate</span>
        
             
        
        
        
D is correct answer.
Cost of a single impaired driving arrest can exceed $20,000.
Hope it helped you.
-Charlie
        
                    
             
        
        
        
The frontal lobe is the answer