The answer is A because the heart pumps blood from the heart through pulmonary artery that is low in oxygen and high in carbon dioxide concentration, to the lungs.
        
                    
             
        
        
        
Answer:
agriculture 
Explanation:
Slash-and-burn <u>agriculture</u>, method of cultivation in which forests are burned and cleared for planting. Slash-and-burn agriculture is often used by tropical-forest root-crop farmers in various parts of the world and by dry-rice cultivators of the forested hill country of Southeast Asia
 
        
                    
             
        
        
        
Answer:
The atomic number of phosphorus is 15. It has zero charge because it has 15 electrons.
 
        
             
        
        
        
Answer:
 Gila monsters are only found in the Sonoran, Mojave and Chihuahuan deserts in the southwestern United States and northwestern Mexico.
Explanation:
Basically a desert