to touch and to activate is correct.
A. exhibit, which thereby activates ===> Should be activate, so eliminated
B. exhibit, in turn an activation of ===>Incomplete sentence, so eliminated
C. exhibit, and it will activate ==> No clear antecedent for IT ( Touch or Exhibit)
D. exhibit and thereby activate ===> Activate , so correct
E. exhibit which, as a result, activates ===> Should be activate, so eliminated
A. exhibit, which thereby activates ===> Should be activate, so eliminated
B. exhibit, in turn an activation of ===>Incomplete sentence, so eliminated
C. exhibit, and it will activate ==> No clear antecedent for IT ( Touch or Exhibit)
D. exhibit and thereby activate ===> Activate , so correct
E. exhibit which, as a result, activates ===> Should be activate, so eliminated


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