Question

vi. The main constituents of the mantle are iron, silicon and
vil. The layer of the earth also referred to as Nife is the
c) core
d) None
a) nickel
b) magnesium
c) aluminium
d) all of the above
a) core
b) mantle
c) crust
d) lithosphere
vili. Bauxite is an ore of
a) Aluminium
b) Iron
c) Manganese
d) Silica
ix. Rock salt is an example of a
a) Igneous rock
b)Metamorphic rock
c) Sedimentary rock
d) Intrusive rock​

Answer 1

Answer:

Intrusive rocks sedimentary