Geography
Give a geographical reason for each of the following:
(i) Temperature starts rising gradually towards the interior of the earth.
(ii) The asthenosphere is in a semi-molten state.
(iii) The inner core of the earth is in a solid state.
Answer
(i) Due to enhancing density and pressure the temperature goes on increasing gradually towards inside of the interior of the earth.
(ii) The asthenosphere is in a semi-molten state because of high temperature, pressure and density.
(iii) The inner core of the earth is in a solid state due to high density and pressure.
Related Questions
Describe the layers of the interior of the earth and their chemical composition.
State two chief characteristics of the earth's crust.
There are two transitional zones between the two consecutive layers of the interior of the earth. Name them and state their chief characteristics.
Look at the figure on the side and answer the questions:
(i) Label the parts: (1), (2), (3), (4) and (5).
(ii) Name the state (solid, liquid or gas) in which each part exists.
(iii) Which part of the earth is suitable for human habitation? Why?