Where is the most rapid urbanization happening in Eurasia? A. Primarily on the Indian subcontinent and China
B. Along the edges of the Himalayas
C. Along the coasts and some rivers
D. Along the Yangtze exclusively​

it's letter A

Explanation:

India and China contains the two place for being the worlds most populated countries which means it has rapid urbanization, maybe migration and suburbanazion

i am a little confused myself with what goes with the letters and what goes with the numbers but ill do my best to you

the cordillera states and grand canyon are along the southwest u.s. and northern mexican pacific.

the great plains and southwest desert are also the prairie and home to many earthquakes too .

the coastal plains have poor soil and many factories started in the south.

is this what u needed? if not i can see what i can do