a passage for surplus water from a dam.
 
        
             
        
        
        
Answer:
B. involuntary activities
 
        
             
        
        
        
Answer:
cant really answer much since you need the class results for these. but i can simplify question 1. so, does the class results prove that the traits made my dominant alleles are the most common? or in other words, are traits made  by dominant alleles most common in the class results? 
number 4 is yes because there are more possibilities that the dominant trait will occur than the recessive trait. therefore, it is more common and the conception is correct
 
        
             
        
        
        
 the difference in altitude represented by the space between two contour lines on a map. At least i think youre looking for the definition. And if you are hope this helps :)