- The weight of the overlying materials exerts great pressure on the core resulting into high
temperatures.
-In the process of cooling, after breaking away from the sun the interior of the earth cooled at a
slower rate than the outer part hence it retained much of its original temperatures.
-Radioactivity: During the breaking up of the nucleus of an atom. The bardment of materials within
the mantle release a lot of energy which generated heat.
gideon1 answered the question on September 29, 2017 at 18:28
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State three factors that influence wind erosion in arid areas.
(Solved)
State three factors that influence wind erosion in arid areas.
Date posted:
September 29, 2017
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Answers (1)
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Give three factors that determine the colour of soil.
(Solved)
Give three factors that determine the colour of soil.
Date posted:
September 29, 2017
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Answers (1)
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State three factors that influence folding.
(Solved)
State three factors that influence folding.
Date posted:
September 29, 2017
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Answers (1)
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Explain how the following processes of weathering occur in arid areas (i)Crystal growth (ii)Exfoliation (iii) Block disintegration (iv) Granular disintegration
(Solved)
Explain how the following processes of weathering occur in arid areas.
-Crystal growth
-Exfoliation
-Block disintegration
-Granular disintegration
Date posted:
September 29, 2017
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Answers (1)
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Describe the process of a river capture.
(Solved)
Describe the process of a river capture.
Date posted:
September 29, 2017
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Answers (1)
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Explain three factors that lead to rejuvenation of a river.
(Solved)
Explain three factors that lead to rejuvenation of a river.
Date posted:
September 29, 2017
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Answers (1)
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Students are planning to carry out a field study of an area affected by faulting. (i) State four reasons why it is important for the students...
(Solved)
Students are planning to carry out a field study of an area affected by faulting.
i) State four reasons why it is important for the students to have a pre-visit of the area.
ii) One of the ways they would use to collect data is through direct observation. Give three
disadvantages of direct observation in the study of such an area.
Date posted:
September 29, 2017
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Answers (1)
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Explain four effects of faulting.
(Solved)
Explain four effects of faulting.
Date posted:
September 29, 2017
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Answers (1)
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State three conditions necessary for the formation of a sand spit.
(Solved)
State three conditions necessary for the formation of a sand spit.
Date posted:
September 29, 2017
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Answers (1)
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State three ways in which lakes influence the natural environment.
(Solved)
State three ways in which lakes influence the natural environment.
Date posted:
September 29, 2017
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Answers (1)
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State two changes that occur in sedimentary rocks when they are subjected to intense heat and pressure.
(Solved)
State two changes that occur in sedimentary rocks when they are subjected to intense heat and pressure.
Date posted:
September 29, 2017
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Answers (1)
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Give three examples of mechanically formed sedimentary rocks.
(Solved)
Give three examples of mechanically formed sedimentary rocks.
Date posted:
September 29, 2017
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Answers (1)
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Explain four ways in which the government of Kenya has assisted the nomadic pastoralists to improve the quality of their livestock.
(Solved)
Explain four ways in which the government of Kenya has assisted the nomadic pastoralists to improve the quality of their livestock.
Date posted:
September 29, 2017
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Answers (1)
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Explain how the following factors influence mining (i) Mode of occurrence of minerals (ii) Quality of the ore (iii)The size of the mineral deposit
(Solved)
Explain how the following factors influence mining.
i. Mode of occurrence of minerals.
ii. Quality of the ore.
iii. The size of the mineral deposit.
Date posted:
September 29, 2017
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Answers (1)
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Give three factors that favour fishing in Lake Victoria.
(Solved)
Give three factors that favour fishing in Lake Victoria.
Date posted:
September 29, 2017
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Answers (1)
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State three characteristics of horticulture farming in Kenya.
(Solved)
State three characteristics of horticulture farming in Kenya.
Date posted:
September 29, 2017
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Answers (1)
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The diagram below shows the revolution of the earth around the sun. Use it answer the questions that follow.
(Solved)
The diagram below shows the revolution of the earth around the sun. Use it answer the questions that follow.
.jpg)
(i) If the earth takes 366 days to make a complete revolution during a leap year, how long will it take to move from 1 position to position 4?
(ii) What lesson is experienced in the southern hemisphere when the earth is in position 1?
Date posted:
September 29, 2017
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Answers (1)
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(a) What is vegetation? (b) Explain how the following factors influence the distribution of vegetation: (i) relief(ii)soils(c) Describe the characteristics of the savanna vegetation region....
(Solved)
(a)What is vegetation?
(b) Explain how the following factors influence the distribution of vegetation:
(i) relief
(ii)soils
(c) Describe the characteristics of the savanna vegetation region.
Date posted:
September 20, 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
.
Answers (1)