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.
Jerusalem is the capital city of Israel. Jerusalem is considered a holy city to Jews, Muslims, and Christians alike. The city is important to Christians and Jews because many important biblical events are said to have taken place in Jerusalem (both religions believe the Old Testament).