a) Give two reasons why the earth is flattened at the poles and bulges at the equator. (2 marks)
-Centrifugal forces
-Centripetal forces
b) Identify the characteristics of the core. (3 marks)
-Solid to semi molten state.
-Radius of about 3,470 km
-Average density of 12.0 g/cc.
-Divided into inner core and outer core.
-Temperatures between 40000c to 45000c.
-Dominant mineral is iron.
steve williams answered the question on December 31, 2017 at 07:39
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