Isabelle has forgetting things lately and her friends and family have been angry at her. today she feels as if she's going to do something wrong no natter how hard she tries. she has decided to play it safe and stay indoors even though there are many things she would like to do with her friends. what has most likely happened to isabelle

Explain why methicillin resistant staphlococcus aureus (mrsa) is more prevalent now than it was only 30 years ago. a. antibiotics cause mutations in staphlococcus aureus that lead to an increase in the number of methicillin-resistant strains. b. methicillin resistance causes an infection to spread more rapidly. c. frequent and inappropriate use of methicillin-type antibiotics has provided selective pressure that has resulted in an increase in the proportion of methicillin-resistant strains of staphlococcus aureus. d. diseases like aids have made people more vulnerable to infections from staphlococcus aureus.