It is the metric unit of measurement for temperature.
        
             
        
        
        
I think it’s F, c, and a.
        
             
        
        
        
Choice b choice b choice b choice b choice b
        
             
        
        
        
Answer: 50%
<span>Life on Earth appears to be on its way to extinction because of the carbon being pumped into our atmosphere.</span> 
<span>Biologists reported that one in five species on Earth show signs of extinction, and unless urgent action is taken to save the planet’s biosphere, </span><span>scientists predict that  50% of species will be driven to </span>extinction by the year 2100.
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