A geographic information system is a system designed to capture, store, manipulate, analyze, manage, and present all types of geographical data. The key word to this technology is Geography – this means that some portion of the data is spatial
<em><u>C horizon formation :
</u>it is the unconsolidated material present beneath B horizon ..
when large soil particles and rocks break during the weathering of R horizon then it is formed but in dry regions gypsum and carbonates also get accumulated ..
<u>2)
</u>it is the B horizon present beneath A , O or E horizon ..it commonly accumulates clays .iron and different oxides .. also the other name of it is subsoil :)</em>
d. continuous urban development connected by transportation routes.
I believe the last one is true, and the second statement.
