19. The lower 2/3s of the Indian subcontinent is a flat highland called the .

Peninsular plateau.

Explanation:

India being a subcontinent consists of five major geographical features such as mountains in the north, the great plains in the center, great desert in the west, a hill in the east, and Deccan plateau in the south. Which is followed by western and eastern ghats. The peninsular plateau is a flat and highland which consists of volcanic formations of Deccan traps.

Aregion is an area of land that has common features. these features can be natural, such as climate or landscape. they can also be artificial, such as language or religion. the xinjiang uyghur autonomous region, above, is an area of china inhabited by uyghurs, a muslim group with ethnic ties to turkish people.