Answer:
What might happen if your rate of breathing decreased?
Rate of breathing decreases as a result of low intake of oxygen due to cardiovascular problem which affects the heart not to pump blood accurately, hence; decreases breathing. 
Explanation:
 
        
                    
             
        
        
        
Answer:
An example of mutualism is the relationship between remora and shark. 
Explanation:
Remora depends on sharks for food and locomotion. It has a sucking mouth that helps it to attach itself to the shark.
 
        
             
        
        
        
Answer:
A :The population of the country is increasing at a rapid rate.
Explanation:
trust :)
 
        
             
        
        
        
Ex. Air freshener.
simple diffusion is the process of a substance (such as air freshener) moving from high concentration to low concentration with little to no energy.