Answer:
digital soil mapping
DSM makes use of pedometrics which refers to the application of numerical techniques to describe and map soils. The idea is to make soil survey, classification, and land evaluation as objective as possible.
The territory of a duke or duchess is called a Duchy.
<span>With respect to major rivers, the Mekong is to Vietnam as the Irrawaddy is to Myanmar. Otherwise known as </span>Burma :)
Movement.
It is one of the five (Interaction, Place, Region, Location, and Movement). Movement is the transportation of goods and products.
Hope this helps :)