Kilometres per hour - wikipedia, The kilometre per hour (american english: kilometer per hour) is a unit of speed, expressing the number of kilometres travelled in one hour. the si unit symbol is km/h.. Kilometre zero - wikipedia, In many countries, kilometre zero (also written km 0) or similar terms in other languages (also known as zero mile marker, control stations or control points) is a. Comparing lrt and subway construction costs, Comparing: lrt and subway construction costs: note: this page has been updated to adjusts costs to reflect 2011 dollars..
List of countries by population density - simple english, This is a list of countries and dependencies ranked by human population density, and measured by the number of human inhabitants per square kilometre or square mile.. Live laos population (2017). current population of laos, During 2017 laos population is projected to increased by 115,583 people and reach 7,086,785 in the beginning of 2018. the natural increase is expected to be positive. Ay - vikipedi, Ay, dünya'nın tek doğal uydusudur. güneş sistemi içinde beşinci büyük doğal uydudur. dünya ile ay arasında ortalama merkezden merkeze uzaklık 384.403 km.