The predicate is researches , because it is an subject
I think the answer is either Furthermore or Therefore! I would go with Furthermore... Hope this helps.
Answer:
1. Emerson now outlines three main points concerning our use of nature's beauty: its medicinal qualities, its spiritual elements, and its intellectual properties.
2. This metaphor shows how humans and nature act differently. Emerson says that humans are “ashamed” of their own thoughts and feelings, and he then goes on to point out that nature is never “ashamed.” He calls for humans to return to their natural state and to stop overthinking and worrisome behaviour.
I do apologise, but I do not have the answer to your third question.
Inverted pyramid. You should start introduction off brief, introduce your topic with a thesis statement. Capture the audiences attention. Then move on to explain the paper in which your writing. State the main points and summarize key points to be made throughout your work. It’s an inverted pyramid because you start off with a brief intro and as the introduction goes on you get more in depth in about key points your paper will focus on