Amber is writing a research paper about animal intelligence. Here is her introduction: (1) At one time in history, it was believ
ed that the ability to make tools was what defined the human race. (2) A certain intelligence has been associated with the ability to create and use tools. (3) New research supports that crows not only make tools, but they are also a lot smarter than we may think. What is the thesis statement in Amber’s introduction? sentences 1 and 3 sentence 2 sentence 3 sentences 2 and 3
