Answer:
Destructive interference happens when one wave is oscillating the opposite way as the other one, so it compensates.
Explanation:
 
        
                    
             
        
        
        
An intramuscular injection is a technique delivering a medication that is deep into the muscles. If intramuscular is administered too high then the efficacy of the vaccine might be reduced as it is not injected in the right site. It might also cause to injure blood vessels so it should be injected in the correct site and depth.
        
             
        
        
        
At the least she will make $299.20. At the most she will make $326.4.
 
        
             
        
        
        
Answer:
points of equal temperature
Explanation:
The isotherms are closed circular lines that connect dots where the temperature has same value. These lines are very easy to read and they are very useful when it comes to reading a map that has them on, as they will provide us with the information about the temperature. The isotherms are often used in the weather programs and meteorological prognosis, so we pretty much see them every day, but unfortunately the majority of the people do not know what they are and what are they representing.