Carrie's goal is to increase her cardiovascular health. look at these entries in her workout log and determine which principle of training she is most likely focusing on in order to reach that goal. monday 30-minute run tuesday 60-minute swim wednesday 45-minute dance class thursday rest friday 30-minute run saturday 60-minute swim sunday 45-minute dance class type overload time reversibility

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.