Answer:go on google to search it up
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Which one do you need help on
        
             
        
        
        
Answer:
it illustrated natural selection because the most favorable traits live longer than the unfavorable traits.
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Kinetics is the study of the speed of a chemical reaction some chemical reactions are fast others are slow sometimes chemists want to speed the slow ones up and slow the fast ones down
        
             
        
        
        
Explanation:
Water is H2O, two hydrogen atoms for every oxygen atom. ... Then, the hydrogen and oxygen can be stored and eventually burned together in a rocket engine to provide thrust for the mission. That is the kind of fuel used by the Space Shuttle's main engines.