The definition of calories is a measure of energy in food, specifically the measure of heat needed to raise a kilogram or a gram of water by one degree Celsius.
        
             
        
        
        
Answer:
B
Explanation:
because the sandpaper is rougher than the flat table.
 
        
                    
             
        
        
        
Prokaryotes- lack a cell nucleus, unicellular, in the bacteria and archaea domain, lack mitochondria and chloroplast, microscopic 
eukaryotes- contains a cell nucleus, multicellular, only in the eukarya domain, contains mitochondria and chloroplast, not microscopic
        
             
        
        
        
Answer:
hyutrimhl
Explanation:
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