Identify the earth motion that provides the basis for our system of local time and time zones.

The picture is basically not necessary here, what the question is asking is : why do we have different time and different time zones?

Our time is divided into 24 hours, so you could ask: what happens every 24 hours? the answer is: the Earth rotates around its axis. So, the Earth motion responsible for this is its rotation around its axis.

C. england's numerous gold and silver mines made it a target for invasion