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.
The answers is problem and solution
Answer:
O "Which Pet Is Right for You?"
Answer:
it cause the effects of world conflicts, impacts of world war 2