M represents units of mass, and c2 is the speed of light squared, or multiplied by itself. it is equal to energy.
the equation says that energy and mass (matter) are interchangeable; they are different forms of the same thing.
The reason how it is related to the speed of light is that energy, be it light waves or radiation, travels at the speed of light.
Charter culture or charter group. In plural societies, the early arriving ethnic group that created the first effective settlement and established the recognized cultural norms to which other, later groups are expected to conform
Mrs.Bennet placed him next to her, and they were both uncomfortable.
Hopes this helps :)))))