Me gustaria que me ampliaran las razones de rechazo de estas imagenes
What beautiful scenery in Alaska ! Unfortunately, the skies have very noticeable artifacts, particularly if you zoom in to at least 100%, which is always recommended. The White Balance is also too blue. These technical issues are probably a result of the small sensor in the Coolpix point and shoot camera that you used.
I think it is a bit too saturated as well. Especially in the sky.
You can see the sky is 'blotchy' - artifacts':