Ienjoy riding my bike after school. the word riding is it a gerund, verb or participle

The brother of a presidential candidate writes an editorial in which he defends this candidate against charges of corruption. in such a circumstance, it is most appropriate for the reader to a) suspect that the candidate may have been framed. b) consider whether the candidate has the best family or not. c) wonder if the writer may be biased, due to his family connection. d) wonder if the writer may be inaccurate, due to wanting to get people to read his column. \

Read the sentence below about the chicago fire of 1871. schaffer told someone else to strike the wrong alarm box and that caused a miscommunication during the chicago fire of 1871. which revision is the best example of adding concrete details? schaffer told another person in his office to sound the wrong alarm and that caused a big miscommunication during the chicago fire. schaffer told his assistant to strike the wrong alarm box and that caused a miscommunication during the massive chicago fire of 1871. schaffer mistakenly told his assistant to strike alarm box 342 instead of the correct box and that caused a miscommunication during a fire in chicago. schaffer mistakenly told his assistant to strike alarm box 342, and as a result, firefighters were directed to an incorrect location during the chicago fire of 1871.

Why does the green knight laugh at their response