According to ainsworth's research using the strange situation procedure, infants used the mother as a safe base from which to explore the environment.

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.

Which system expels carbon dioxide from the body? excretory system respiratory system cardiovascular system digestive system

Before packaging and wrapping instruments, the dental assistant should dry off the instruments to avoid a. incomplete sterilization of the instruments. b. the possibility of stains forming. c. putting them away wet. d. corrosion, rust buildup, or dulling of the instruments.