C. All cells arise form previously existing cells. This is because the scraped knee's cells would be replaced by the exact same ones that were removed. Kind of like "Out with the old and in with the new... yet the exact same..!" 
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Answer:
The bonds that will break at high temperature are hydrogen, ionic and Van der Waal's interactions. Covalent bonds will not break. 
Explanation:
 
        
             
        
        
        
It’s cranky and white shaped where it’s pretty shiny and crystals inside them where they spark off your eyes
        
             
        
        
        
Answer:
Warm oceans will be worse at absorbing CO2.
Explanation:
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