World Mourns Loss of Skier. U.S. Freeskiing, and the entire U.S. Ski and Snowboard Association family, joined the Park City community in mourning the passing of Sam Jackenthal, a wonderful young man and a remarkable athlete.
The least dense layer of the earth is the Crust , the mantle is second densest , whereas the core is the most dense layer of the earth
Best Answer: Depending on the specific needs of the question you may also consider the hydrosphere as being less dense than the crust and the atmosphere as the lightest. Beyond that extends the magnetosphere, but that is a bit different than the rest.