_________ is the outer most layer of the Earth.
Crust
Magma
Mantle
Core
The denser layer underneath the SIAL layer is called ____________.
SIAL
SIMA
The solid outer layer of the Earth consisting of various rocks and minerals is called the ______________.
Hydrosphere
Lithosphere
Atmosphere
Biosphere
____________ rocks are formed by cooling and solidification of molten matter on the surface of the Earth or within the crust.
Metamorphic rocks
Sedimentary rocks
Igneous rocks
Extrusive igneous rocks
The mineral matter results from the ___________ of rocks.
Weathering
__________ has a radius of about 3500 km.
__________ are usually mixture of two or more minerals.
Rocks
_____________ are inorganic substances found in crystalline or granular form.
Minerals
The lower part of the crust is called
Oceanic crust
Continental crust
Sial crust
Sima crust
Soil is formed from
Fossil fuels
Plains
Oceans