How old is mount k2?

What is fog a low laying of? Is mercury a boy or a girl? What are some differences between Jupiter and Mars? What are the most common stars in our universe? Which boy did Zeus abduct to be his lover? Are the suns rays concentrated over a smaller surface area in the sumer? What are the three most important elements of weather? Why would it be difficult to live on Mars? How did gravity falls get its name? What is formed when air is cooled to the dew point near the ground? What was the end off 2001 a space odyssey all about? Is water heated from water vapour? How can astronauts perform their space walk and move around as if nothing while the space station is traveling at 17500 mph? Where's the moon located in the night sky? Who discovered the four moons circling Jupiter? What is a protostar's energy source? Why Mars was named Mars? Some satellites are put into an orbit around the earths poles what is this type of orbit called? How far should the microscope be from the edge of the table? What does meteorological?