Geomorphology

Question 1

Dendritic

Answer 1

Drainage patterns associated with rocks of
similar types which are resistant to erosion

Question 2

Deranged

Answer 2

This pattern is associated with a landscape
left behind from a glacier.

Question 3

Trellis

Answer 3

The pattern is associated with folded
mountains.

Question 4

Radial

Answer 4

The pattern that develops due to massive
igneous

Question 5

Rectangular

Answer 5

Streams in this drainage basin follow the
cracks on igneous rocks.

Question 6

Define the concept river capture.

Answer 6

when a more energetic river diverts/steals/(captures)
the headwaters of a lesser, energetic stream

Question 7

Define the concept river management.

Answer 7

A process of sustaining or maintaining water resources and drainage basins to ensure the availability of clean and safe water for consumption and aquatic life.

Question 8

Explain the importance of river and drainage basin management.

Answer 8

Rivers provide water for irrigation, household, industrial and mining use.

South Africa is a dry country experiencing frequent droughts (due to El Nino.)

It is expensive to purify water

Avoid waterborne diseases like cholera, polluted water causes waterborne diseases.