Answer:
Bull Riding
Explanation:
People in this are die-hard tough power, dedicating their lives to taming a 1600-1700 pound bull.
 
        
                    
             
        
        
        
the temperature of mercury is not regulated and the atmosphere easily floats away while being replaced with solar wind . 
Mercury has a thin atmosphere. 
 
        
             
        
        
        
The endoplasmic reticulum, or ER, and Golgi apparatus, prepare molecules, including proteins, hormones and lipids, and package them in vesicles for transport. Rough ER is studded with ribosomes that synthesize proteins, while the smooth ER manufactures lipids.
        
             
        
        
        
Isotonic since in a hypertonic solution the cell would shrivel up and in a hypotonic solution it would lyse (burst).