Answer:
Repetition
 the act of repeating, or doing, saying, or writing something again; repeated action, performance, production, or presentation. repeated utterance; reiteration. something made by or resulting from repeating.
Replication
duplicate, repeat replicate a statistical experiment replicated his mentor's writing style. intransitive verb. 
Empirical evidence is the information received by means of the senses, particularly by observation and documentation of patterns and behavior through experimentation. The term comes from the Greek word for experience,
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Metal -a solid material that is  hard, shiny, malleable, fusible, and ductile, with  electrical and thermal conductivity.\
nonmetal an element or substance that is not a metal.
 
        
             
        
        
        
Answer:
Chemical energy is energy stored in the bonds of atoms and molecules. ...
Mechanical energy is energy stored in objects by tension. ...
Nuclear energy is energy stored in the nucleus of an atom—the energy that holds the nucleus together.
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