In humans, pharyngeal slits are presents in the embryo and develop into the the ears 
        
             
        
        
        
Answer: Due to rise in temperature and pressure
Explanation: Rocks are formed due to rise in temperature and pressure. It involves larger rock masses. The main rock types are gneisses and schists which have a laminated banded appearance.
 
        
             
        
        
        
True, This is because they they reproduced itself by spores called Sori so therefore they do grow underground stem
        
                    
             
        
        
        
Answer: Option C) Pluto
Explanation:
Pluto is described as a dirty ice ball of frozen gases and rocky material. It was the ninth planet to be discovered.