2. Raj, a four-year-old child, learned to open the door to a classroom by pulling on the handle. Now whenever he approaches any door he pulls on the handle and is confused when that does not work. This is best
explained by Raj's having developed which of the following for door opening?
A Accommodation
I
Object permanence
Conservation
D
A mental set
Divergent thinking

Which of these is a controllable risk fator for disease

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.

Bennett has trouble interacting with other students in school lately. he has become frustrated easily when asked to work in groups, and he has been withdrawing from class discussions. his teacher is worried about his