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.
What FORCE hold metals together? Jul 20, 2005 #1. I feel like this is something I should already know, but I donât even know what to search for to find an explanation. Solid pure metals like piece of Iron, Copper, or Nickel are made up of atoms all the same (Cu, Fe, or Ni). Each atom has a positive nucleus surrounded by a field of electrons. So at very close proximity the shell of electrons should serve to keep the atoms apart for the others. BUT what holds them to make the metal?