No cross-country skiing and skiing are two completely different things. They require different equipment. There are "slope" skis which most people are used to that attach to your foot and boot completely. The cross country skis have your heel loose to make it easier to propel yourself forward. Skiing is done on a slope or mountain and cross country isn't necessarily on a hill. They go across all sorts of terrain.
Yes.
No, nordic skiing is same as cross-country skiing.
Cross-country skiing.
Yes.
Olympic cross-country skiing is many people racing to see who can get to the finish line faster by cross-country skiing, or skiing on flat land.
No. The biggest difference is alpine skiing goes down the side of a mountain while cross country skiing is mainly on flat land that has a few small hills.
Yes however in alpine skiing you tend to be in the Alps and no uphill cross country skiing is involved
The positions “Nordic skiing” and “cross-country skiing” are often used interchangeably. In the broader intellect, cross-country skiing is a disparity of Nordic skiing, and Nordic skiing covers a number of other corrections too.
Nordic skiing.
skiing on basically flat terrain
Cross-country skiing.