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
The primary reason that the atmosphere is deepest and thickest at the equator is because the air is, on average, warmer there than anywhere else on Earth. Warm air is less dense than cold air.