The answere is No pain, no gain
        
                    
             
        
        
        
Ultraviolet light. It can cause skin cancer and that is why we wear sunscreen. We also wear sunglasses because some research has shown that it can damage eyes. Although it can be dangerous, it can also kill certain bacterias. 
 
        
                    
             
        
        
        
It’s the crest, the crest is the top part of the wave and the trough is the bottom so they correspond
        
                    
             
        
        
        
I believe it’s called Alluvium! It’s where the river mouth is build up of gravel,sand,silt, and clay!!
        
             
        
        
        
You want to use PEMDAS to solve this equation.
4+9*2/3-1
4+18/6-1
4+6-1
10-1
9
Your answer is 9
Thanks -John
If you have anymore question just ask! :)