Question

The diagram below shows the internal structure of the earth.

1. Name the parts marked G and H. 
2. Name the dominant mineral in the mantle.

Answer 1

1.  
   1. G - Continental crust/sial
   2. H - Inner core
2. Olivine/ ferromagnesian silicate

Answer 2

1.G_crust(sima)
H_core

2.a) olivinen
b) pyroxene 

Answer 3

G---continental crust
H-----core

Olivine