Chlorine-the chemical element of atomic number 17, a toxic, irritant, pale green gas
atomic number-the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
        
             
        
        
        
Injecting.
smoking.
inhaling.
snorting.
swallowing.
        
                    
             
        
        
        
Hydrosphere<span> isnt an isolated system, it interacts with the other global systems, which includes the </span>atmosphere and l<span>ithosphere  
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<h2> The average height of people in different nations has  has increased approximately by 10 centimeters.</h2><h3>It mostly comes down to nutrition and child-rearing styles. </h3><h3>Some scientists believe that the increase in teenage and out-of-wedlock pregnancies in the developed world may be an unanticipated consequence of improved nutrition.</h3>
Tobacco smoking greatly increased over the last hundred or so years, but the old wives' dictum was always that "Smoking will stunt your growth!"
Hope this helped have a good day = )  .
 
        
        
        
Answer:
D Butterfly, coral and amoeba came from pre existing  cells  
Explanation: