Bipolar disorder is a chronic mental illness that causes dramatic shifts in a personâs mood, energy and ability to think clearly. People with bipolar have high and low moods, known as mania and depression, which differ from the typical ups and downs most people experience.
The American black bear is the most commonly seen bear in North America and it has the largest geographic range. Black bears can be found as far south as central Mexico and as far north as northern Alaska and most of Canada. In the United States black bears are common in the east, along the west coast, in the Rocky Mountains and parts of Alaska. They are also found in a few small areas in the southwest and southeast. Black bear are the most timid and least dangerous of the bears found in North America.
The estimated population of the United States of America is 315,203,000 as of 2012. The USA population map shows the population distribution of each state, represented on the color-coded map.States with the highest population include California at number one, followed by Texas, New York, Florida, and Illinois. These states are also home to the most populous cities in the United States.The most populous cities in the United States are New York City, followed by Los Angeles, Chicago, and Houston.tates with the highest population include California at number one, followed by Texas, New York, Florida, and Illinois. These states are also home to the most populous cities in the United States. The most populous cities in the United States are New York City, followed by Los Angeles, Chicago, and Houston.