a) The earth has three layers.The crust,the core and the mantle.the crust is about 74-75 km deep and it consist of oxygen,silicon,aluminium,iron,calcium, magnesium,potassium and sodium.the second layer is the core which is the central part has two part,inner core-this is about 1220 km and the outer core which is about 2180 km thick and its made of nickel-iron alloy.the third layer is the mantle which is composed of silicate rocks rich in magnesium and iron.it is about 2890-2900 km deep.
b)-Earth is a planet while sun is a star
- Earth is a solid piece of rock while the sun consist of gases
- Earth is habitable (life is supported on earth) while sun is not habitable
32906521 answered the question on September 19, 2017 at 09:34
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a)Explain why the Government of Kenya encourages the setting up of industries in rural areas (b)Explain four factors that have contributed to the development of electronics industry in...
(Solved)
a)Explain why the Government of Kenya encourages the setting up of industries
in rural areas
b)Explain four factors that have contributed to the development of electronics
industry in Japan.
Date posted:
September 16, 2017
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Answers (1)
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a)i.Name three main hydroelectric power stations along the river Tana
ii)Apart from providing electric power, state four other benefits of the
dams along the river Tana.
iii)Identify two...
(Solved)
a)i.Name three main hydroelectric power stations along the river Tana
ii)Apart from providing electric power, state four other benefits of the
dams along the river Tana.
iii)Identify two problems that affect the production of power along river
Tana.
Date posted:
September 16, 2017
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Answers (1)
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a)You plan to carry out a field study in a tea farm.
i)Give four reasons why you need a route map for the study.
ii)What information are...
(Solved)
a)You plan to carry out a field study in a tea farm.
i)Give four reasons why you need a route map for the study.
ii)What information are you likely to gather about marketing of processed tea
during the study? Tea is marketed
Date posted:
September 16, 2017
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Answers (1)
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a)What is agriculture? (b)Identify four characteristics of plantation farming in Kenya. (c)Give four physical factors that influence the growing of tea in Kenya (d)Explain four problems facing small...
(Solved)
a)What is agriculture?
b)Identify four characteristics of plantation farming in Kenya.
c)Give four physical factors that influence the growing of tea in Kenya
d)Explain four problems facing small scale tea farming in Kenya
Date posted:
September 16, 2017
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Answers (1)
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a) Describe opencast method of mining (b)Explain three benefits of petroleum mining to the economies of Middle East countries
(Solved)
a)Describe opencast method of mining
b)Explain three benefits of petroleum mining to the economies of Middle East
countries
Date posted:
September 16, 2017
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Answers (1)
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Explain how the following factors influence the exploitation of minerals (a)Mode of occurrence of minerals (b)Transport (c) Level of technology
(Solved)
Explain how the following factors influence the exploitation of minerals
(a) Mode of occurrence of minerals
(b) Transport
(c) Level of technology
Date posted:
September 16, 2017
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Answers (1)
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Identify five measures used to control floods in Kenya
(Solved)
Identify five measures used to control floods in Kenya
Date posted:
September 15, 2017
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Answers (1)
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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
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Answers (1)
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What is vegetation?
(Solved)
What is vegetation?
Date posted:
September 15, 2017
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Answers (1)
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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
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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. (c)Give two reasons why the earth...
(Solved)
a)Name the first two planets of the solar system.
b)Explain the origin of the earth according to the Nebula Cloud Theory.
c)Give two reasons why the earth has a spherical shape
d)State four effects of the rotation of the earth on its axis.
e)Describe the structure of the earth's crust
Date posted:
September 15, 2017
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Answers (1)
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a)Give two types of soil degeneration (b)State three economic benefits of soils
(Solved)
a)Give two types of soil degeneration
b)State three economic benefits of soils
Date posted:
September 15, 2017
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Answers (1)
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a)What is the difference between an ice sheets and an iceberg? (b)Name three types of glacial moraines
(Solved)
a)What is the difference between an ice sheets and an iceberg?
b)Name three types of glacial moraines
Date posted:
September 15, 2017
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Answers (1)
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State three conditions that are necessary for the formation of an ox-bow lake
(Solved)
State three conditions that are necessary for the formation of an ox-bow lake
Date posted:
September 15, 2017
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Answers (1)
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State two characteristics of the weather conditions in the troposphere
(Solved)
State two characteristics of the weather conditions in the troposphere
Date posted:
September 15, 2017
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Answers (1)
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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
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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...
(Solved)
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.
d)i.Name two types of dairy animals kept in Denmark
ii)State three differences between dairy farming in Kenya and Denmark
Date posted:
September 14, 2017
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Answers (1)
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a)State two economic benefits of the common market for eastern and southern Africa (COMESA) to the member countries
(Solved)
a)State two economic benefits of the common market for eastern and southern Africa (COMESA) to the member countries.
b)Give two factors that limit trade among countries of eastern Africa
Date posted:
September 14, 2017
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Answers (1)
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a)State three measures that have been taken to conserve fisheries in Kenya (b)Give four reasons why Norway is great fishing nation
(Solved)
a)State three measures that have been taken to conserve fisheries in Kenya
b)Give four reasons why Norway is great fishing nation
Date posted:
September 14, 2017
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Answers (1)
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a)Give three physical factors that favor coffee growing in Kenya highlands .(b)State two problems facing coffee farming in Kenya
(Solved)
a)Give three physical factors that favor coffee growing in Kenya highlands
b)State two problems facing coffee farming in Kenya
Date posted:
September 14, 2017
.
Answers (1)