Sports medicine doctors treat athletes and other performers who may suffer injuries through physical activity. The educational requirements for becoming a sports medicine doctor include extensive graduate schooling.
Ground Zero originated as a term to describe the site of a nuclear explosion and later was used to refer to the point of any dramatic or violent event. 1  Remembrance: A view of the World Trade Center North Tower memorial pool at the National September 11 Memorial and Museum in New York today.
Best Answer: During the day, the sunlight heats the earth and warm air right above it rises. During the night, the earth radiates back heat into space. At sunrise the earth is often colder than the air above. This is called an inversion because air doesn't rises anymore. If the temperature near the ground has fallen under what is called the dew point temperature then the air can't sustain any more moisture as vapour and has to condense it into droplets. That's when fog appear.