Get premium membership and access questions with answers, video lessons as well as revision papers.
Soil profile is the vertical arrangement of various soils in layers.
Horizon A is the uppermost layer which lies under the mat of surface vegetation and raw humus.
Horizon B is where most of the materials washed down from Horizon A have been accumulated. The substances are trapped here because of the nature of the soil in this horizon.
Horizon C is a layer of partly weathered rock with no humus or other additions from above.
Horizon D is the solid underlying rock.
Faimus answered the question on March 16, 2018 at 20:17
- (a) Describe the following terms associated with soils Soil texture, Soil porosity, Soil permeability (b) What is the importance of soil acidity (Solved)
(a) Describe the following terms associated with soils
Soil texture
Soil porosity
Soil permeability
(b) What is the importance of soil acidity
Date posted: March 16, 2018. Answers (1)
- (a) What is soil structure
(b) Give the four types of soil structure. (Solved)
(a) What is soil structure
(b) Give the four types of soil structure.
Date posted: March 16, 2018. Answers (1)
- The main factors influencing soil formation are the nature of the parent rock and climate. Briefly describe how these factors influence soil formation. (Solved)
The main factors influencing soil formation are the nature of the parent rock and climate. Briefly describe how these factors influence soil formation.
Date posted: March 16, 2018. Answers (1)
- The following factors influence soil formation. Briefly explain how they influence the formation of soil. Living organisms, Relief, Time (Solved)
The following factors influence soil formation. Briefly explain how they influence the formation of soil.
Living organisms
Relief
Time
Date posted: March 16, 2018. Answers (1)
- (a) Describe the following leaching processes leading to the formation of various soil types. Ferralisation, Eluviation, Illuviation, Podzolisation, Calcification, Ribification, Salinisation (b) Differentiate between eluviation and illuviation. (Solved)
(a) Describe the following leaching processes leading to the formation of various soil types.
Ferralisation
Eluviation
Illuviation
Podzolisation
Calcification
Ribification
Salinisation
(b) Differentiate between eluviation and illuviation.
Date posted: March 16, 2018. Answers (1)
- Formation of soil through decomposition of organic matter takes place in two stages. Describe them. (Solved)
Formation of soil through decomposition of organic matter takes place in two stages. Describe them.
Date posted: March 16, 2018. Answers (1)
- Give the three processes in which soil is formed. (Solved)
Give the three processes in which soil is formed.
Date posted: March 16, 2018. Answers (1)
- Give any five reasons why humus content in soil is important. (Solved)
Give any five reasons why humus content in soil is important.
Date posted: March 16, 2018. Answers (1)
- (a) Define the term soil
(b) Give the four components of soil
(c) Define the term land
(d) Give any two differences between land and soil.(Solved)
(a) Define the term soil
(b) Give the four components of soil
(c) Define the term land
(d) Give any two differences between land and soil.
Date posted: March 16, 2018. Answers (1)
- Give any three ways in which glacial features are not useful. (Solved)
Give any three ways in which glacial features are not useful.
Date posted: March 16, 2018. Answers (1)
- Give five ways in which glacial features are of significant use. (Solved)
Give five ways in which glacial features are of significant use.
Date posted: March 16, 2018. Answers (1)
- Describe the formation of an outwash plain(Solved)
Describe the formation of an outwash plain
Date posted: March 16, 2018. Answers (1)
- (a) Describe the formation of kames
(b) Describe the formation of eskers (Solved)
(a) Describe the formation of kames
(b) Describe the formation of eskers
Date posted: March 16, 2018. Answers (1)
- (a) Give any three characteristics of drumlins
(b) Give any three locations where drumlins are found. (Solved)
(a) Give any three characteristics of drumlins
(b) Give any three locations where drumlins are found.
Date posted: March 14, 2018. Answers (1)
- (a) Describe the following glacial features
Boulder train
Terminal moraine
Drumlins
(b) Give an example of a boulder train (Solved)
(a) Describe the following glacial features
Boulder train
Terminal moraine
Drumlins
(b) Give an example of a boulder train
Date posted: March 14, 2018. Answers (1)
- (a) What is till
(b) Describe the two types of till
(c) Describe the features that are formed as a result of till(Solved)
(a) What is till
(b) Describe the two types of till
(c) Describe the features that are formed as a result of till
Date posted: March 14, 2018. Answers (1)
- Name any three resultant features of glaciation in lowland areas (Solved)
Name any three resultant features of glaciation in lowland areas
Date posted: March 14, 2018. Answers (1)
- Describe the formation of a rock basin (Solved)
Describe the formation of a rock basin
Date posted: March 14, 2018. Answers (1)
- Give an example of a waterfall formed as a result of a hanging valley. (Solved)
Give an example of a waterfall formed as a result of a hanging valley.
Date posted: March 13, 2018. Answers (1)
- (a) Describe how ribbon lakes are formed on highlands affected by glaciation
(b) Name any two examples of ribbon lakes (Solved)
(a) Describe how ribbon lakes are formed on highlands affected by glaciation
(b) Name any two examples of ribbon lakes
Date posted: March 13, 2018. Answers (1)