0 the gradual movement over geological time of the continents across the Earth’s surface as a result of the movement of the plates underlying them -- deriva continentale
As a result of continental drift, the climates of the Earth’s regions have changed considerably.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Possiamo completarlo passo dopo passo, indipendentemente dalla lunghezza della strada, e non può essere completato, per quanto breve sia la strada, se non segni nemmeno la tua impronta.