Q: Tick the correct answer:
a) The rock which is made up of molten magma is ________________.
b) The innermost layer of the earth is ______________.
c) Gold, petroleum and coal are examples of _____________.
d) Rocks which contain fossils are _______________.
e) The thinnest layer of the earth is ___________.
Q: Match the following:
a) Core – Innermost layer
b) Minerals – Has definite chemical composition
c) Rocks – Used for roads and buildings
d) Clay – Changes into slate
e) Sial – Made of silicon and aluminium