The answer is C - the water flowing faster along riverbank B causes more sediment to be eroded 
Explanation: since the water is flowing faster on side B than side A, the faster moving water will pick more sediment up for side B. A great example of this is a normal flowing river takes a few months to change a river bank however when there is a storm [faster moving water] the river bank can be changed in a few days.
        
                    
             
        
        
        
Answer: (C)
Rats can learn to run complex mazes even without food rewards present.
Explanation:
Biological predisposition to learning is brought about by an internal inherited quality that increases the likelihood of having a condition or exhibiting a certain pattern of behavior.
It occurs in humans and animals and has to do with genes passed down from parents to children. 
In this case, the genetical makeup of the rats can cause them to learn to behave in a certain way over time.
 
        
                    
             
        
        
        
<span>The question is asking whether it is true that negative peer pressure commonly involves getting good grades. The answer is that it's false: negative peer pressure would make you do things which are bad for you, so smoke or drink alcohol or get bad grades. Getting good grades is rather a characteristics of a positive peer pressure. </span>
        
                    
             
        
        
        
The Supreme Court is more likely to consider reviewing a case if B. it raises a constitutional question. A case that is settled in the lower court is not already passed to the higher court. If the case is unsettled and requires higher degree of authority to debate such as a<span> constitutional question, then the supreme court decides</span>