Answer:
A modem modulates and demodulates electrical signals sent through phone lines, coaxial cables, or other types of wiring.
C) team leader is the answer
In archaeology, mesolithic is culture between paleolithic and neolithic. The term "Epipaleolithic" is often used for areas outside northern Europe, but was also the preferred synonym used by French archaeologists until the 1960s.
Resources I think because what u have all depends on resources