The thickness of the mantle is
2600 km
2900 km
2300 km
3000km
Magma is
Heavier than the solid rock.
Lighter than the solid rock.
As heavy as the solid rock.
Same as the solid rock.
Gondwanaland was named by
Eduard Suess
Charles Lapworth
Edward A. Irving
Bruce C. Heezen
The scientist who proposed the theory of evolution
Newton
Galileo
Darwin
Dalton
The rocks formed by the solidification of the liquid rock material that comes out of a volcano are called
Lava
Magma
Igneous rock
Volcanic eruption
Which among the following is a unit of distance for expressing astronomical distances?
Kilometer
Light year
Miles
Feet
First life originated from
Living organic material
Non - living organic material
Living inorganic material
Non - living inorganic material
Molten rock below the surface of the earth is called
Volcano
Earthquake
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
________ is a single land mass which had broken up and formed different continents.
Laurasia
Gondwanaland
Pangea
