Say whether each of the following statements is True or False and give a full and complete justification. Use diagrams w

[answerhappygod]

Say whether each of the following statements is True or False
and give a full and complete justification. Use diagrams wherever
needed. No partial credit will be given for answers without
sufficient explanation
1) In theory, a minimum of 4 GPS satellites are needed
to determine the location on the surface of the earth if all clocks
are fully synchronized.