Answer:
a steep temperature gradient in a body of water such as a lake, marked by a layer above and below which the water is at different temperatures.
Explanation:
Hope this helped if so please leave a rating! :)
THANKS
 
        
                    
             
        
        
        
Answer:
22 
Explanation:
I Took The Exam! Good Luck On Passing! ^^
 
        
                    
             
        
        
        
Because it uncovers a truth many don’t see in science theory’s and thing that people might not have know giving them the curiosity to try something new and learn something new.
        
             
        
        
        
Answer:
A
Explanation:
Photosynthesis produces carbon dioxide (chemical gas) which is used in cellular respiration to make oxygen. That oxygen is then used in photosynthesis to make more carbon dioxide and so on.
 
        
             
        
        
        
The oxygen distribution would be uneven and and there will be a decrease of oxygen level throughout the body if arteries began to clog