Yes...one dog has been observed to kill themselves purposefully.
        
                    
             
        
        
        
Answer:
The carbon cycle is nature's way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again. Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms.
 
        
             
        
        
        
The answer would be choice B.
This is because homeostasis is the regulation of body temperature and sweating, caused by the respiratory system, is a way the body maintains homeostasis.
        
                    
             
        
        
        
The answer is A. It twirls like a helix and has 2 strands
        
                    
             
        
        
        
Organisms that reproduce asexually have less chances for genetic mutation and genetic drift, meaning that if something is introduced into the environment that causes the organism to be unable to survive, it wont have a variation that might make it possible to live.