C. protein synthesis (they make proteins)
        
             
        
        
        
I believe it’s A but I’m not too sure 
Reason; Warm air rises, and when it rises it becomes cooler. ... If the pressure of the surrounding air is reduced, then the rising air parcel will expand. The molecules of air are doing work as they expand. This will affect the parcel's temperature (which is the average kinetic energy of the molecules in the air parcel).
        
             
        
        
        
The answer to this is B. Topaz
        
             
        
        
        
I’m pretty sure the answer it’s true