A little bit less than a purposely discovery. A discovery that you've been looking for for a while would be like 75% of discovering but accidentally would be 35% of actually discovering something accidentally.
        
                    
             
        
        
        
Answer:
Could be multiple. C or A
Explanation:
Enzymes are required for respiration and respiration is exo thermic
 
        
                    
             
        
        
        
Vertebrae are the scientific term for the backbones. 
All backbones are backbones... right? :'D 
However, the vertebrae are only a bone GROUP; there are other types of bones like joints, shafts and etc which don't come under the vertebrae clssification. 
        
             
        
        
        
Answer: 
True
Explanation:
Energy sees a 90% decrease as it moves up trophic levels because energy is lost as metabolic heat during the transfer of energy.
 
        
             
        
        
        
I'd go with 'the cells won't be able to produce energy' since oxygen is crucial for cellular respiration and cellular respiration is what releases energy!
Hope it helps! <3