Get premium membership and access revision papers with marking schemes, video lessons and live classes.

Processing. Please wait.

(a) Differentiate between accordant and discordant drainage systems
(b) State three factors that facilitate formation of deltas

Answer Text:
a) - Accordant drainage system occurs with agreement with the rock structure, nature and slope of land while discordant occurs in disagreement with rock structure and nature.
b) - River must have large load.
- Velocity of river must be low to allow deposition in the river mouth.
- River load must be deposited faster than it can be removed by currents and tides.
- There should be no obstacle on the river course like or swamp to filter materials