Saudi Arabia is named after the ruling family: the Saud family. 
This family goes back to 18th century, and one of its members gained control of the Arabian Peninsula and founded a kingdom: 
His name was Abdulaziz Ibn Saud. In the Arab world, he's known mostly as Abdulaziz and in the western World as "Ibn Saud". 
        
             
        
        
        
May you provide the statements, please?
        
                    
             
        
        
        
They are more likely to contract water borne diseases due to the lack of proper drinking water.
 
        
             
        
        
        
Answer:
Cooking sugar on a stove
Explanation:
All the other actions create physical changes and can always be reversed. Hope this helps :)
 
        
             
        
        
        
<span>It is crucial to understand psychology in today's world because the population is expanding exponentially. We have to know about behavior to know how to deal with one another when we're living so close together. Chances are, with this many people,some of them are going to have behavior problems. Not to mention it is a survival skill. understanding behavior allows us to sense danger.</span>