Answer:
B. They sold 120 student and 30 adult tickets.
Explanation:
120 x 12 = 1,440
30 x 20 = 600
1,440 + 600 = 2,040.
 
        
             
        
        
        
Answer:
The answer is C. Species diversity or B. Ecosystem diversity everyone thinks it either those 2 nobody really knows. 
 
        
                    
             
        
        
        
Answer:
Independent is hormone and dependent is the weight