What is the meaning of the quote, "i think, therefore i am"?

Adam posted in a thread about theoretical physics. in his post he refuted general relativity and cited a paper that was recently self-published by one person on her own personal website and had no references to other works in the field.which important question did adam not answer sufficiently when evaluating the cited paper?

Match the term to the purpose it has. 1. but 2. furthermore 3. meanwhile 4. in the distance 5. first 6. therefore 7. in other words 8. for instance a. show space relation b. introduce an illustration c. repetition of an idea d. take away, limit, or oppose e. show a consequence f. indicate order g. show time relation h. add ideas

Analyze the graphic organizer below and answer the question that follows. / which element is necessary to complete the graphic organizer? complex sentence prepositional phrase subordinate clause independent clause the.i think it might be c but idk