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03. Major Landforms Of The Earth

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Answer in one line

Prepared by: learnloophq@gmail.com
Last edited 43 days ago by Learn LoopHQ.

Chapter: 03. Major Landforms Of The Earth

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Answer in one line

What is topography?
Topography is the arrangement of landforms in a landscape.
Name the two processes responsible for the formation of landforms.
The two processes are Internal processes (Endogenous) and External processes (Exogenous).
What is deposition in the context of landforms?
Deposition is the rebuilding of a lowered land surface by materials like sediment.
Besides running water, ice, and wind, what other agents carry out external processes on landforms?
The atmosphere and humans also carry out external processes on landforms.
What is Pangaea?
Pangaea was the single large land mass that existed on the surface of the Earth millions of years ago.
How many continents are there in the world?
There are seven continents in the world.
Which two continents are separated by the Ural Mountains, the Black Sea, and the Caspian Sea?
The Ural Mountains, the Black Sea, and the Caspian Sea separate Asia and Europe.
How does the Atlantic Ocean relate to Africa’s boundaries?
The Atlantic Ocean separates Africa from the two Americas on its west side.
What is the largest hot desert in the world, and on which continent is it located?
The largest hot desert in the world is the Sahara Desert, located in Africa.
Which continent is known for having the most indented coastline?
Europe is known for having the most indented coastline.
List the three main types of mountains.
The three main types of mountains are fold mountains, volcanic mountains, and block mountains.
What are the forces that cause the formation of fold mountains?
Fold mountains are formed by compression, caused by powerful forces generated by movements inside the Earth.
Give an example of an old fold mountain.
An example of an old fold mountain is the Urals in Russia.
Name two young fold mountain ranges.
Two young fold mountain ranges are the Rockies of North America and the Andes of South America.
What is the primary difference in formation between fold mountains and block mountains?
Fold mountains are formed by the folding of Earth’s crust due to compression, whereas block mountains are formed by the fracturing (faulting) of rock strata and the subsequent sinking of land between the cracks.
What is faulting in the context of mountain formation?
Faulting is the rupturing or fracturing of rock strata due to strain, which leads to the formation of block mountains.
What is a vent in a volcanic mountain?
A vent is the opening through which molten lava, ash, cinder, and dust come out on the surface from deep inside the Earth.
Name two volcanic mountains in Italy.
Two volcanic mountains in Italy are Mt Vesuvius and Mt Etna.
How do mountains contribute to hydroelectricity generation?
Mountains contribute to hydroelectricity generation because rivers originating from mountain glaciers can be dammed to create reservoirs, and the stored water’s flow can be used to generate electricity.
Mention two products obtained from forests in mountainous regions.
Two products obtained from forests in mountainous regions are fuel and fodder.
Why are mountainous regions attractive for tourists?
Mountainous regions are attractive for tourists due to their natural scenic beauty, providing opportunities for relaxation and various recreational activities like paragliding and skiing.
What is a ‘tableland’?
A ‘tableland’ is another term for a plateau, describing its relatively flat or level top surface.
Name a famous dissected plateau and a prominent natural feature associated with it.
The Colorado Plateau is a famous dissected plateau, and it is associated with the Grand Canyon.
What is an intermontane plateau?
An intermontane plateau is a type of plateau that is surrounded by mountains on all sides.
Give an example of a piedmont plateau.
An example of a piedmont plateau is the Patagonia Plateau in South America.
What is inland drainage in the context of basins?
Inland drainage refers to basins where the rivers flowing into them do not reach the sea but instead terminate within the basin itself.
How are river valleys typically shaped?
River valleys are usually V-shaped.
What are river plains primarily built by?
River plains are primarily built by alluvium deposited by big rivers and their tributaries.
What are structural plains?
Structural plains are plains that lie near the coast of a sea or an ocean, mainly formed by the uplift of a part of the seafloor or continental shelf.
Define a peneplain.
A peneplain is a level land surface produced by erosion over a long period, undisturbed by crustal movement.
Why are plains suitable for the construction of roads and railways?
Plains are suitable for the construction of roads and railways due to their flat and soft surface, which makes building infrastructure easier.
Name India’s two groups of islands.
India’s two groups of islands are the Lakshadweep Islands and the Andaman and Nicobar Islands.
What is an isthmus?
An isthmus is an elongated, narrow piece of land, with water on each side, that joins two large land masses.
How do landforms influence weather?
Landforms influence weather such that generally, the higher one goes (like in mountains), the colder it gets, while plains and valleys tend to be warmer.
In the context of landforms and people, how do human actions like mining and dam building relate to landform conservation?
Human actions like mining and dam building constantly impact landforms, highlighting the need to minimize such activities for landform conservation and sustainable development.
Which ancient Indian scholar’s work, the Brihat-Samhita, includes descriptions of various geographical features?
Varahamihira’s work, the Brihat-Samhita, includes descriptions of various geographical features.
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