Typical Flu Duration. For most people, the flu lasts anywhere from about three days to two weeks. If it lasts much longer than two weeks, you may have developed a secondary infection or one of these common flu complications.
More silver facts. 1  While aluminum is the most common metal found in the Earth's crust, the most common metal found on Earth is iron, mostly because it makes up such a large part of the Earth's core.2  More iron facts. 3  Copper is a good conductor of electricity and is often used for making wires.ore silver facts. 1  While aluminum is the most common metal found in the Earth's crust, the most common metal found on Earth is iron, mostly because it makes up such a large part of the Earth's core.
Elements for Kids. 1  Symbol: K. 2  Atomic Number: 19. 3  Atomic Weight: 39.0983. 4  Classification: Alkali metal. 5  Phase at Room Temperature: Solid. 6  Density: 0.86 grams per cm cubed. 7  Melting Point: 63.38Â°C, 146.08Â°F. 8  Boiling Point: 759Â°C, 1398Â°F. 9  Discovered by: Sir Humphry Davy in 1807.