(i) It is made up of iron and nickel.
(ii) Has temperatures ranging from 3700oC to 5000oC
(iii) It is estimated to be about 2100 km to 2900 km thick.
(iv) Has an average density of 10.0 gm/cc to 12.3 gm/cc.
(v) Is composed of molten rock material.
maurice.mutuku answered the question on May 27, 2017 at 08:50
- What are the layers of discontinuity,forming the interior structure of the earth?(Solved)
Give the layers of discontinuity,forming the interior structure of the earth.
Date posted: May 27, 2017. Answers (1)
- What are the components of the solar system?(Solved)
Give the components of the solar system.
Date posted: May 27, 2017. Answers (1)
- Why do the lengths of days and nights vary from one part of the earth to another?(Solved)
Give the reasons why the lengths of days and nights vary from one part of the earth to another.
Date posted: May 27, 2017. Answers (1)
- What is the local time at Alexandria 30oE when the local time at Malindi 40oE is 12.00 noon?(Solved)
Give the local time at Alexandria 30oE when the local time at Malindi 40oE is 12.00 noon.
Date posted: May 27, 2017. Answers (1)
- What is a line of longitude?(Solved)
Explain the meaning of a line of longitude.
Date posted: May 27, 2017. Answers (1)
- What are the proofs that the shape of the earth is spherical?(Solved)
State the proofs that the shape of the earth is spherical.
Date posted: May 27, 2017. Answers (1)
- What are the characteristics of the mantle?(Solved)
Give the characteristics of the mantle.
Date posted: May 27, 2017. Answers (1)
- What are the effects of the rotation of the earth on its axis?(Solved)
List the effects of the rotation of the earth on its axis.
Date posted: May 27, 2017. Answers (1)
- What are the four layers of the earth's atmosphere? (Solved)
List the four layers of the earth's atmosphere.
Date posted: May 27, 2017. Answers (1)
- What are the theories explaining origin of the earth?(Solved)
Give the theories explaining origin of the earth.
Date posted: May 27, 2017. Answers (1)
- What is the time at Hola on 40oE when the time at Tema on 0o longitude is 12.00 noon?(Solved)
Give the time at Hola on 40oE when the time at Tema on 0o longitude is 12.00 noon.
Date posted: May 27, 2017. Answers (1)
- What is latitude?(Solved)
Give the meaning of a latitude.
Date posted: May 27, 2017. Answers (1)
- What is the solar system?(Solved)
Explain the meaning of the solar system.
Date posted: May 27, 2017. Answers (1)
- Which two dates in a year is the number of hours of darkness equal in both the north and south poles?(Solved)
Give two dates in a year when the number of hours of darkness is equal in both the north and south poles.
Date posted: May 27, 2017. Answers (1)
- What are the reasons for studying Geography?(Solved)
State the importance of studying geography
Date posted: May 27, 2017. Answers (1)
- 1.(a) What is the relationship between Geography and Mathematics?(Solved)
Give the relationship between Geography and Mathematics.
Date posted: May 27, 2017. Answers (1)
- You intend to carry out a field study on pollution in Meru market(Solved)
You intend to carry out a field study on pollution in Meru market
i) State two reasons why it would be necessary for you to visit the market before the actual field study
ii) Give two methods that you would use to collect information on pollution
Date posted: January 21, 2017. Answers (1)
- How does the following soil conservation methods improve the quality of soil?(Solved)
Explain how the following soil conservation methods improve the quality of soil
i) Terracing
ii) Shelter belts
iii) Brush wood barrier
Date posted: January 21, 2017. Answers (1)
- What are some of the methods used to control floods from rivers in Kenya?(Solved)
Explain four methods used to control floods from rivers in Kenya.
Date posted: January 21, 2017. Answers (1)
- Give any three causes of floods(Solved)
Give three causes of floods.
Date posted: January 21, 2017. Answers (1)