external forces and internal forces
Earthquakes
Potassium Chloride is the most common salt bridge for this cell Potassium Chloride is the most common salt bridge for this cell
swing bridge
the most common disease among young Americans is "narcissism"
iron, steel, concrete, stone, wood, and composites are the most common materials used in bridge construction!
over large areas
Noise
concrete, wood, & metal...& money
Steel and concrete.
AIDS
The Pin worm is the most common of all parasitic round worms in the US affecting over 50% of all people as children.
compression and shear and tension