The lungs are functioning to take carbon dioxide out of the body. Also known as exhaling.
        
             
        
        
        
A model of a globe is a physical model. The limits are that the solar system is too big to be seen all at once. From the Tennessee science textbook, "Many years ago, scientists thought that Earth was the center of the universe and the sky was a blanket that covered the planet. Later through the observation, it was discovered that the objects you see in the sky are the sun, the moon ,stars, and other planets. This new model explained the solar system differently.  
        
             
        
        
        
When chromosomes do not separate during meiosis is called nonjurisdiction.
Sometimes during anaphase, chromosomes will fail to separate properly.
 
        
                    
             
        
        
        
The statement that best describes a human influence on the biogeochemical cycles is : A. Increased eutrophication caused by high levels of nitrogen and phosphorous
In this process, the amount of nutrients in water will dramatically increased, creating abnormal growth for the algae
hope this helps