The Bering Land Bridge was actually composed of frozen ice. They were able to cross because the water was frozen over, and didn't require sailing over open water.
In general, politicians pay the most attention to middle-age white people in elections, since they believe they are the most active voters, instead of the very young and the very old.
Answer:
The airlines base the policy on the assumption that the consumer demand is less elastic as time of departure approaches.
Explanation:
Price Elasticity of Demand refers to price sensitivity; i.e. the rate at price changes with demand.
As the purchase and flight departure gets smaller, the arrival rate of the passengers will definitely change.
When the demand of a commodity is less elastic, then it will cause a large changes in price of that commodity to effect a change in quantity consumed.
Southern California and Australia
These are the sunniest and hottest of the places listed