Think first, then research, then THINK again. Think for the pleasure of thinking.
Yesterday’s ‘Think’: “Difference between a hill and a mountain” — 1,000′ appears to be the demarcation. You need to have a summit, and if the summit is above 1,000′ it is a mountain, if not, it is a hill. In the 1995 movie “The Englishman Who Went Up a Hill But Came Down a Mountain“, that I pointed out to you yesterday, the Welsh villagers set about raising the level of their hill above 1,000′. Cute.