What is not necessary when summarizing the parados? including key details recognizing causal relationships predicting outcomes restating main ideas

the correct answer is a. how to make proposal that works.

indeed, the register is quite formal and the tone is especially objective as it avoids the use of the first and second person singular (i, you) and opts instead for the third person plural which is more impersonal and focuses on the data and the argument that is being developed by the author. the formality adds the impression of respectability to the work and the impersonality adds objectivity to it.

right angles are formed by perpendicular lines. if the lines would extend, to make two intersecting lines, they would form four right angles.