<span> They are formed over many years when windblown </span>sand<span> is trapped by beach grass or other stationary objects. ... Without vegetation, wind and waves regularly change the form and location of </span>dunes<span>.</span>
        
                    
             
        
        
        
Answer:
It the answer will be read
 
        
             
        
        
        
I'm guessing the central idea of "the value of music that tickles the brain" is that music makes you smarter, increases IQ level, makes language development smoother, enhances creativity, and increases the reactions in your brain to work faster. Music has many benefits and these are just a few. You can always also just research on the topic of music effects on the brain online. Hope it helps! 
        
                    
             
        
        
        
Catarina loves her video games
        
             
        
        
        
The correct answer is <em>C, regretful</em>. This is because the narrator is talking about the past and feels bad because she couldn't do anything to change it. In fact, she regrets that she couldn't attend to the same school that her best friends moved to.