During winter, which winds deliver cold air that enters north carolina? (why)

a. northeast trade winds
b. southeast trade winds
c. prevailing westerlies
d. polar westerlies

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?

Which type of intermolecular force is pbr3

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.