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a)Sahara
- Kalahari
- Namib
b)Saltation
It is where coarse grained sand particles are transported through a series of bouncing /
jumping along the surface.
Suspension
It is where very fine material is picked by wind raised high and blown over long
distances
Surface creep/rolling
It is where large / heavy material are rolled and pushed forward by wind along the
surface
c)It develops in arid areas when sand accumulates around an obstacles that lies in the
path of the wind.
- The gradual accumulation of sand forms a hill.
- Eddy currents on the leeward side of the dune causes the formation of a shallow
depression / concave slope / steep slope.
- With time the prevailing wind forces the sand at the edge of the dune to move forward
forming the horns.
- The continuous extension extension of the horns lead to a crescent shaped feature
called barchan
d)Desert features form good sites for tourist attraction, thereby earning foreign
exchange.
- Wind deflation hollows/oasis are sources of water for domestic /agricultural use.
- Wind deposited sands / loess form fertile plains for farming.
- Salty flats are economically used for salt production.
- Shifting sand dunes/hinder transport activities.
- Desert sceneries are ideal for film making.
- The vast sand seas are ideal for military training/nuclear testing.
Githiari answered the question on September 15, 2017 at 18:37
- You are planning to carry out a field study in a forest
i)Give four reasons why it is important to seek permission from the school
administration
ii)List three...(Solved)
You are planning to carry out a field study in a forest
i)Give four reasons why it is important to seek permission from the school
administration
ii)List three sources of information you are likely to use before the actual field
study
iii)Identify four challenges you are likely to encounter during the field study
Date posted: September 15, 2017. Answers (1)
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What is vegetation?
Date posted: September 15, 2017. Answers (1)
- a)What is volcanicity?
b)i.Apart from a sill, name three other intrusive volcanic features.
Describe how the following features are formed
-a sill
-hot springs
-A caldera.
c)Explain four negative effects of...(Solved)
a)What is volcanicity?
b)i.Apart from a sill, name three other intrusive volcanic features.
ii)Describe how the following features are formed
-a sill
-hot springs
-A caldera.
c)Explain four negative effects of earthquakes.
Date posted: September 15, 2017. Answers (1)
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a)Name the first two planets of the solar system.
b)Explain the origin of the earth according to the Nebula Cloud Theory.
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e)Describe the structure of the earth's crust
Date posted: September 15, 2017. Answers (1)
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b)State three factors that favor trading in towns
(Solved)
a)Identify any two social functions of a town
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Date posted: September 15, 2017. Answers (1)
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a)Give two types of soil degeneration
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Date posted: September 15, 2017. Answers (1)
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a)What is the difference between an ice sheets and an iceberg?
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Date posted: September 15, 2017. Answers (1)
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State three conditions that are necessary for the formation of an ox-bow lake
Date posted: September 15, 2017. Answers (1)
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State two characteristics of the weather conditions in the troposphere
Date posted: September 15, 2017. Answers (1)
- a) Differentiate between transport and communication
b.i)Give two main transcontinental highways in Africa
ii)Describe three reasons why inland water transport is not well developed in Africa
c)Give four...(Solved)
a) Differentiate between transport and communication
b.i)Give two main transcontinental highways in Africa
ii)Describe three reasons why inland water transport is not well developed in Africa
c)Give four benefits of st lawrence seaway
d)i.Define the term regional trade
ii)State five ways through which the government promotes export trade
Date posted: September 14, 2017. Answers (1)
- a.i)Name three methods of mining ii)Name two sea ports through which some of the minerals mined in east Africa are exported. (b)State five factors that influence...(Solved)
a.i)Name three methods of mining
ii)Name two sea ports through which some of the minerals mined in east Africa are exported.
b)State five factors that influence the exploitation of minerals
c)Explain four ways in which soda ash contribute to the economy of Kenya
d)State three ways in which mining derelicts can be reclaimed
Date posted: September 14, 2017. Answers (1)
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a)i.Name two types of dairy farming practiced in Kenya.
ii)Give two areas where commercial dairy farming is done along the country
b.i) State five characteristics of Nomadic herding
ii) Outline five steps that the Kenyan government is taking to improve livestock farming in semi arid areas
c).State four factors that may have favored dairy farming kenyan highlands.
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Date posted: September 14, 2017. Answers (1)
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Date posted: September 14, 2017. Answers (1)
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Date posted: September 14, 2017. Answers (1)
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a)Give three physical factors that favor coffee growing in Kenya highlands
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Date posted: September 14, 2017. Answers (1)
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With the aid of diagrams, describe features resulting from river capture
Date posted: September 12, 2017. Answers (1)
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Give the measures being taken to control lighting.
Date posted: July 4, 2017. Answers (1)
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Define environmental management.
Date posted: July 4, 2017. Answers (1)
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Give the negative effects of uncollected garbage on the environment.
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Date posted: July 4, 2017. Answers (1)