Its lengthy borders touch Germany and Belgium in the north, the Atlantic Ocean in the west, and the Pyrenees mountains and Spain in the south. It also borders the Mediterranean sea in the southeast, and the Alps, Switzerland and Italy in the east.
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.
B. It grows as nuclear fusion in its core produces more matter.
It is the upper mantle. The layer under the crust of the Earth.
