Read the following statements carefully about interior of the Earth:
1. Asthenosphere is considered as source region of Mid-Oceanic Ridge Basalt.
2. Lower Mantle of the Earth’s surface is involved in plate tectonic movement and isostatic adjustments.
3. Oxygen is the most abundant element in the Earth’s crust.
Choose the correct answer using codes given below:
ANSWER: (C)
Asthenosphere is the highly viscous, mechanically weak and ductility deforming region of the upper mantle of the Earth. It lies below the lithosphere, at depths between approximately 80 and 200 km below the surface. It is upper portion of Mantle. It is considered the source region of mid-ocean ridge basalt. Crust and asthenosphere together make up Lithosphere. Asthenosphere is involved in plate tectonic movement and isostatic adjustments.
More Questions Selected Just For You. Attempt Now!
In a solar or lunar eclipse, the region of earth’s shadow is divided into:
The one who is engaged in scientific drawing of maps is called:
What is percentage of expansion (coverage) of continents on the Earth’s surface?
Which one of the following is not a cold ocean current?
How does La-Nina affect the Pacific Ocean?
The distribution of characteristic vegetation of a region is determined mainly by:
Earthquakes are generally associated with:
The term “Doab” means:
With reference to the Geographical processes and their driving force, consider the following pairs:
Process | Driving Force |
1. Weathering | Kinetic Energy |
2. Transportation | Potential Energy |
3. Mass Movement | Gravitational force |
Which of the pairs given above is/are correctly matched?
_________ affect the rate of humus formation of soil.