Saying "dunno" instead of "don't know" is an error in

Read these sentences from edgar allan poe's "the angel of the odd": it was a chilly november afternoon. i had just consummated an unusually hearty dinner, of which the dyspeptic truffe formed not the least important item, and was sitting alone in the dining-room with my feet upon the fender and at my elbow a small table which i had rolled up to the fire, … which element of this text suggests the events happened long ago? details about a fire descriptions of the furniture use of first-person narrator word choice and word order

Why are reading and writing necessary in today’s world?

Besides the revisions listed in the paragraph, what else can deepak do to strengthen his paper?