Which of the following best explains why europe and asia are often grouped into a single region
a. all of the countries belong to the un security council
b. only two religions dominate the area
c. there is little variation in their physical characteristics
d. all of the countries are members of nato

Europe and Asia are often grouped into a single region as there is little variation in their physical characteristics

Option C

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.

answer; (b) asia;