(i) On average is about 2900 km thick.
(ii) Has an average density of 3.0 to 3.3 gm/cc
(iii) The dominant mineral is solicate/olivine.
(iv) It is divided into two parts namely the upper mantle and the lower mantle
(v) The lower mantle is viscous liquid.
(vi) The upper mantle has lower temperatures than the lower mantle between 1000oC and 3000o
(vii)The upper mantle is elastic solid/semi-molten.
maurice.mutuku answered the question on May 27, 2017 at 07:27
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