<span>positive self talk is the best source of internal motivation.</span>
        
             
        
        
        
The longest day of the year isn't the hottest day of the year because the phenomenon of the hottest weather following the summer solstice by a month or two is called the lag of seasons.
        
             
        
        
        
Compositional layers are determined by their components, while mechanical layers are determined by their physical properties.
        
             
        
        
        
Answer:
, the Northern Hemisphere has summer. At the same time, the south end of Earth's axis is tilted away from the sun so other parts of the world is cold. as the earth revolves on its axis, we will soon experience winter as well. places like Antartica will always be cold , just because how its on the earth. its far far far aways from the sun. thats why it stays cold there. 
Explanation:
 
        
             
        
        
        
Answer:
overreacts to an antigen
Explanation:
Allergies to substances are as a result of immunological dysfunction.