<span>If that same polar air mass moves south from Canada into the southern U.S. it will pick up some of the warmth of the ground, but due to lack of moisture it remains very dry. This is called a continental polar air mass
</span>Continental Polar Air Masses<span>: cold temperatures and little moisture. Those who live in northern portions of the United States expect cold weather during the winter months. </span>
A. Inflation.
Inflation occurs whenever a market starts to boom -- because people feel so confident about the market doing so well, prices and values begin to rise, often beyond what they are actually worth. This creates "bubbles", which is what eventually leads to recessions; those "bubbles" pop and prices and values plummet.
