Each of the Following questions presents a word in bold, followed by three sentences using that word. The word may be used correctly or incorrectly in each sentence. Select which sentence(s) use the word correctly by marking the option that corresponds to your answer. Word: Pernicious

• I The pernicious weed spread quickly and destroyed the crops. I
• I His pernicious smile made everyone feel welcomed and happy. II
• I The pernicious effects of pollution are visible in the city’s poor air quality.