How fast does gum melt in the sun?

Why does g.p.s. need 4 satellites? What is a useful tool that may help a scientist interpret data by revealing unexpected patterns? What does 10k sun mean stamped on a ring? Who is Torricelli and what did he do? When did SkyLab start? What does the candle light signify? How many tornadoes are there a year in South Carolina? What layer of atmosphere that reaches thousands of degrees? What happens to the altitude of Polaris as you move north in the northern hemisphere? Why do you see objects as upright and of the same size although the images formed on the retina are upside down and diminished? What was Jim Swigert doing when the explosion occured? How is hydroelectricity related to the sun? I am diamonds and emeralds lost by the moon the sun will take me long before noon What am I? Life can exist in other planet Why or Why not? Why does hades stay in the underworld? If you weighed 150 pounds on earth how much would you weigh on mars? What should I do If I get abducted by a Jupitertian? Do capitalized northern lights? Which 2 inner planets have thick atmospheres? How are the Northern Lights - Aurora Borealis - related to the earth's magnetic field?