Tailings
Slurry is a liquid concrete or cement
Impoundments are enclosures of water
        
             
        
        
        
Diaphragm...is the muscle that helps in respiration.....there are also some other but....you said flat so diaphragm !
        
             
        
        
        
Answer:
Lithospheric 
Explanation:
Lithospheric plates are part of a planetary scale thermal convection system. The energy source for plate tectonics is Earth's internal heat while the forces moving the plates are the “ridge push” and “slab pull” gravity forces
 
        
             
        
        
        
Answer:
They pick up oxygen from the lungs and drop off oxygen to the cells through the capillaries
 
        
                    
             
        
        
        
Advantage: Dichotomous keys are very useful because they allow non-expert users to identify organisms by directing them to look at the known, important organisms. Disadvantage: Disadvantage of dichotomous keys is that if a single wrong decision is made at any juncture, a wrong identification will result. Sometimes it becomes obvious that an error has been made, and you can retrace your steps until you get back on the right track, but this is not always the case