Which factor most contributes to variation in population distribution in china, mongolia, and taiwan?
large chinese cities have millions of residents.

large chinese cities have millions of residents.

mountain ranges make much of the region too dry to farm.

mongolia is landlocked, and taiwan is an island.

china expanded its long-age empire to include many regions.

Media conglomerates do not control much of the advertising

Dr. robbins wants to know if there are different opinions regarding the value of public school education between native americans who have at least one relative who attended indian boarding school and native americans who have no family experience with indian boarding school. dr. robbins contacts 35 native american participants in each group. he wants each group to include younger as well as older adults, and a mix of male and female participants. he asks each person to complete a survey about their attitudes toward public education. the design of this study is:

These facilities were organized and sponsored by churches or charities during the great depression in an effort to feed the homeless and needy.