In which year the Indian statistical institute was established

Which of the following is an essential element of a strong informative/explanatory text? a. it expresses an opinion on a topic. b. it has a clear organizational structure. c. it uses text features, such as headings. d. it includes graphic elements, such as images.

For the speaker, which of the following is a less distracting and easier approach than using a presentation outline? a. using post-it notes, color coded b. using notecards c. using full sheets of lined notebook paper d. using the preparation outline

Выделите присастные и деепричастные оороты даю 30 баллов