2 + 2 = 4
If you have two orbeez and your friend gives you tow orbeez, you have 4 orbeez total
 
        
                    
             
        
        
        
<span>It is during the stage where rapid eye movement begins in sleep
where dreams begin. During this period, as brain activity increases so does their
respiration rate.  Even though the brain
and other systems are lively, the muscles continue to be calm.  This happens for around fifteen to twenty
minutes.</span>
        
                    
             
        
        
        
Answer:
pertussis or the 100-day cough
Explanation:
 
        
                    
             
        
        
        
Active listing is important so you can know what they are saying. Without active listening than you may forget things. Also the four rules of active listening are too look at the person (eye contact) listen too them. And I do not know the rest. Sorry, but that's the best I can do :)