The correct answer is c. almost encircles the Ordos desert.
The Huang He River has an interesting circle like movement around the western, northern and eastern part of the Ordos desert, which almost makes it look like it is wrapping the Ordos desert around with it's waters.
Grids, and variables are used to find a coordinate.
A- larger with more moons. For example Venus has no moons, whereas Jupiter has 63, and Jupiter is 11.8 times bigger than Venus
