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- 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
- Describe four proofs that have been advanced to support the fact that the earth is spherical(Solved)
Describe four proofs that have been advanced to support the fact that the earth is spherical
Date posted: September 29, 2017. Answers (1)
- What is the local time at Alexandria 300E when the local time at Malindi 400E is 12.00 noon?(Solved)
What is the local time at Alexandria 300E when the local time at Malindi 400E is 12.00 noon?
Date posted: September 29, 2017. Answers (1)
- Apart from the sun and the planets, name other four heavenly bodies that make up the solar
system.(Solved)
Apart from the sun and the planets, name other four heavenly bodies that make up the solar
system.
Date posted: September 29, 2017. Answers (1)
- What is astronomy?(Solved)
What is astronomy?
Date posted: September 29, 2017. Answers (1)
- 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. Answers (1)
- Give three factors that determine the colour of soil.(Solved)
Give three factors that determine the colour of soil.
Date posted: September 29, 2017. Answers (1)
- State three factors that influence folding.(Solved)
State three factors that influence folding.
Date posted: September 29, 2017. Answers (1)
- Define folding(Solved)
Define folding
Date posted: September 29, 2017. Answers (1)
- Differentiate between weather and climate.(Solved)
Differentiate between weather and climate.
Date posted: September 29, 2017. Answers (1)
- Apart from soil creep, name three other types of slow –mass wasting.(Solved)
Apart from soil creep, name three other types of slow –mass wasting.
Date posted: September 29, 2017. Answers (1)
- 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. Answers (1)
- State three factors that influence the rate at which weathering occurs.(Solved)
State three factors that influence the rate at which weathering occurs.
Date posted: September 29, 2017. Answers (1)
- Differentiate between weathering and denudation.(Solved)
Differentiate between weathering and denudation.
Date posted: September 29, 2017. Answers (1)
- Some students carried out a field study on the features found along a river. (i) List three features formed as a result of river erosion (ii) State...(Solved)
Some students carried out a field study
(i) List three features formed as a result of river erosion.
ii) State three methods that students may have used to record their data.
iii) Explain two ways in which features resulting from river deposition are of significance
to human activities.y on the features found along a river.
Date posted: September 29, 2017. Answers (1)
- Describe the process of a river capture.(Solved)
Describe the process of a river capture.
Date posted: September 29, 2017. Answers (1)
- 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. Answers (1)
- Describe how a river erodes its channels by the following process. (i) Hydraulic action (ii) Abrasion(Solved)
Describe how a river erodes its channels by the following process.
i) Hydraulic action
ii) Abrasion
Date posted: September 29, 2017. Answers (1)
- Outline four ways in which a glaciated landscape is of negative significance to human activities.(Solved)
Outline four ways in which a glaciated landscape is of negative significance to human activities.
Date posted: September 29, 2017. Answers (1)
- Name three types of Moraines.(Solved)
Name three types of Moraines.
Date posted: September 29, 2017. Answers (1)
- State two characteristics of a pyramid peak.(Solved)
State two characteristics of a pyramid peak.
Date posted: September 29, 2017. Answers (1)