Which area is the most common source region
for cold, dry air masses that move over new york
state?
(1) north atlantic ocean
(2) gulf of mexico
(3) central canada
(4) central mexico

Answer – 3. Central Canada
 The area that is the most common source region for cold, dry air masses that move over New York State is central Canada. These cold, dry air masses are called Continental polar (cP) or continental arctic (cA) air masses. Continental polar air masses are one of the five air masses that affect the United States during the course of a typical year.

The answer to the first one is barometer.

Drought resistance because they are close to a lot of supplys