In paragraph for each theory explain

Theories are formulated to explain, predict, and understand phenomena and, in many cases, to challenge and extend existing knowledge within the limits of critical bounding assumptions. The theoretical framework is the structure that can hold or support a theory of a research study.

I need a three theories identical with my research (Paperless). in paragraph for each theory explain and discuss how it will be useful for the research and why i should use it .Please check the attached.

20200229203952paperless

 

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In paragraph for each theory explain 

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