Answer:
The correct answer is C. Wet and unestable
Step-by-step explanation:
The mP Air mass type is characterized for being mild and humid and it is commonly formed to the North Pacific, in United States, because its high latitudes. When it moves inland (Eastward) cold air meets warm air provoking unestable conditions in the atmosphere boosting the formation of clouds, and subsequently, precipitation. Then, when decending over the western slopes of mountain, it is moist and can produce rain and snow.