What factors have influenced language in East Africa?

one way archaeology us understand the past is through the material objects it finds, allowing us to know what was being used, and when. for example a dig recently found a flute, believed to be the oldest musical instrument found to date.

i hope this

no the answer is c only objects touching the earth's surface can be acted upon by an outside force

elastic potential energy

this is called police cynicism. i hope this .