The prefix used in a word to indicate opposite of, is ill. For example, illiterate
Among the following words, the choice that you need to double the final consonant before adding the suffix to the base word is, shop + -er. The word shop plus -er becomes shopper with the double consonant p. The rule applied here is that, if the word is only one syllable and ends in a vowel and consonant, double the last letter before the vowel suffix.
Situational irony because it's the situation.
Answer:
A) Inform readers about caffeine facts
Explanation:
The author is simply stating facts about caffeine and he/she does not try to convince you to try it or take it.