The component of an effective supporting paragraph of a research report is the summary. A research report is often used in studies that demand highly factual evidences or proof. The aim of research reports is to clearly and concisely discuss your topic. Therefore, in order to make it easier for the readers to understand, a summary should be included.
The third one.
Yes because it asks a question that can be answered correctly.
That is hard what grade are u in
The answer is a by the way I am 100 % sure it is have a good day and stay safe :)