<span>Answer 1: According to the characteristics of the hydrography of the two countries the answer is Gobi Desert.
Answer 2: As for the information of Weather forcast from china, the answer of this question is 2b: Northern China
Answer 3: The history and geography studies of each country given above tell us more about it, so the answer is 3d, china expanded its long-age empire to include many regions.
Answer 4: the answer of the last question is the choice a: Members of the ethnic groups have different religious beliefs.</span>
Illiquid: The state of a security or other asset that cannot easily be sold or exchanged for cash without a substantial loss in value. Illiquid assets also cannot be sold quickly because of a lack of ready and willing investors or speculators to purchase the asset.
So... the answer is C.
Hope this helped!!