The ozone hole over the Antarctic has begun to heal, according to a new study, more than 30 years after its discovery. ... The stratospheric ozone layer protects Earth from the sun's harmful ultraviolet (UV-B) rays, which can cause skin cancer and cataracts in humans, and physiological damage in animals and plants.
 
        
             
        
        
        
The general term given to male sex hormone is TESTOTERONE
        
             
        
        
        
Is this supposed to be multiple choice?
The three I know of is unsaturated, monounsaturated, and poll polyunsaturated.
There's a trans one too, but it's not natural.
        
             
        
        
        
Helloooo
how are you today?