a scale ranking ten minerals from softest to hardest; used in testing the hardness of minerals. Define DENSITY: A measure of how much matter there is in a given amount of space.
Jerusalem is a hilly city so the altitude varies but it is approximately 750 Meters (2,500 feet) above sea level.
Is Denver or Philadelphia at a higher elevation? Denver, since it's elevation is 5,280 feet above sea level and Philadelphia is only 39 feet above sea level. Because when it was founded by William Penn he named it Philadelphia which means City of Brotherly Love in Greek.