The petrified remnant of a past life is called
Igneous rock
Mantle
Lava
Fossil
________ type of rock is contained in the crust under the continents.
Granite
Dolomite
Basalt
Igneous
In the outer core of the earth, iron exists in a _________ condition .
Solid
Gaseous
Molten
Plasma
The rocks formed by the solidification of the liquid rock material that comes out of a volcano are called
Magma
Volcanic eruption
The thickness of the mantle is
2600 km
2900 km
2300 km
3000km
As we go deep into the interior of the earth, the temperature increases but as we go deep into water, temperature _______.
Decreases
Increases
Remains the same
Falls to zero degree centigrade
The scientist who proposed the theory of evolution
Newton
Galileo
Darwin
Dalton
Name the supercontinent in the Northern Hemisphere about 400 million years ago.
Laurasia
Gondwanaland
Pangea
The earth's crust surrounded by the thick blanket of air is
mantle
core
atmosphere
ozone
The surface of the earth we live is known as
crust
lower mantle