Europe and Asia are often grouped into a single region as there is little variation in their physical characteristics
Answer: Option C
Step-by-step explanation:
Eurasia is basically combined due to the geographical notion. Physio graphically Europe and Asia together is a single continent termed as Eurasia. The combined land mass of Europe and Asia makes them the biggest continent.
Eurasia are on the same tectonic plate and they do not have any sea in between them to separate. It was Ancient Greeks who had divided it into Europe and Asia. They misapprehended Sea of Marmara to divide Europe and Asia hence divided it as two continents.