The Badlands of South Dakota are elevated, eroded plateaus and valleys composed of undeformed sedimentary strata. These are not mountains, because

there's no deformation of rocks or structures.

Explanation:

Mountain refers to a elevated portion of the Earth's crust, but has an exposed bedrock.

It should be noted that the Badlands of South Dakota are elevated, eroded plateaus and valleys composed of undeformed sedimentary strata but they aren't mountain because there's no deformation of rocks or structures.

the answer is "d"

(context) if you were to travel to the middle east and go into peoples homes there would be like 4 generations in there

(more context) i'm pretty sure in the middle east they take loyalty and family bonds very serious

(last bit of context) i'm also positive that extended families are most commonly found in urban areas