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  • 1 answers

Yogita Ingle 1 day, 7 hours ago

When meteoroids enter Earth’s atmosphere (or that of another planet, like Mars) at high speed and burn up, the fireballs or “shooting stars” are called meteors.

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Gaurav Seth 2 days, 11 hours ago

Geography is a discipline of synthesis. It attempts spatial synthesis, and history attempts temporal synthesis. Its approach is holistic in nature. It recognises the fact that the world is a system of interdependencies.

The present world is being perceived as a global village. The distances have been reduced by better means of transportation increasing accessibility. The audio-visual media and information technology have enriched the data base. Technology has provided better chances of monitoring natural phenomena as well as the economic and social parameters. Geography as an integrating discipline has interface with numerous natural and social sciences. All the sciences, whether natural or social, have one basic objective, of understanding the reality. Geography attempts to comprehend the associations of phenomena as related in sections of reality.

Every discipline, concerned with scientific knowledge is linked with geography as many of their elements vary over space. Geography helps in understanding the reality in totality in its spatial perspective. Geography, thus, not only takes note of the differences in the phenomena from place to place but integrates them holistically which may be different at other places. A geographer is required to have a broad understanding of all the related fields, to be able to logically integrate them. This integration can be understood with some examples. Geography influences historical events. Spatial distance itself has been a very potent factor to alter the course of history of the world. Spatial depth provided defence to many countries, particularly in the last century. In traditional warfare, countries with large size in area, gain time at the cost of space. The defence provided by oceanic expanse around the countries of the new world has protected them from wars being imposed on their soil. If we look at the historical events world over, each one of them can be interpreted geographically. In India, Himalayas have acted as great barriers and provided protection but the passes provided routes to the migrants and invaders from Central Asia. The sea coast has encouraged contact with people from East and Southeast Asia, Europe and Africa. Navigation technology helped European countries to colonise a number of countries of Asia and Africa, including India as they got accessibility through oceans. The geographical factors have modified the course of history in different parts of the world.

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Yogita Ingle 4 days, 6 hours ago

1. In converging plate boundaries, two plates move towards each other. On the other hand, diverging plate two plates move in opposite directions.

2. Converging plate boundaries are called destructive plate and diverging plates are called constructive plate.

3. Converging plate boundaries resultant in the occurrence of the explosive type of volcanic eruption, earthquake etc on the other hand diverging plate boundaries results in the creation of new oceanic crusts, and the creation of transform faults etc.

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Yogita Ingle 4 days, 6 hours ago

Volcanoes are grouped into four types:

  • Cinder cones:Cinder cones are circular or oval cones made up of small fragments of lava from a single vent that have been blown up. Cinder cones result from eruptions of mostly small pieces of scoria and pyroclastics that build up around the vent.
  • Composite volcanoes:Composite volcanoes are steep-sided volcanoes composed of many layers of volcanic rocks, usually made from high-viscosity lava, ash and rock debris. These types of volcanoes are tall conical mountains composed of lava flows and other ejecta in alternate layers, the strata that give rise to the name.
  • Shield volcanoes:Shield volcanoes are volcanoes shaped like a bowl or shield in the middle with long gentle slopes made by basaltic lava flows. These are formed by the eruption of low-viscosity lava that can flow a great distance from a vent.
  • Lava volcanoes: Lava domes are formed when erupting lava is too thick to flow and makes a steep-sided mound as the lava piles up near the volcanic vent. They are built by slow eruptions of highly viscous lava.
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Yogita Ingle 4 days, 6 hours ago

Weather

Climate

It is the day to day condition of the atmosphere.

It is the average weather conditions of a place that exist over a long period of time.

Weather of a place does not remain constant.

Climate of a place remains constant over a long period of time.

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Gaurav Seth 1 week, 2 days ago

• A gulf is a large body of water almost encircled by land except for a small mouth that opens out to the sea. A strait is a strip of water that separates two lands or two large bodies of water.

• Straits are used for navigational purposes and have played an integral part when it comes to shipping routes. Gulfs are more useful for human settlements, as such areas provide easy access to the ocean while being well protected as well.

• Gulfs can be easily associated with inland bodies of water as well as the ocean. Straits are mostly discussed with regards to the ocean.

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Yogita Ingle 3 weeks, 1 day ago

<th scope="col"> </th> <th scope="col">Stalactite</th> <th scope="col">Stalagmite</th> <th scope="row">Introduction</th> <th scope="row">Formation</th> <th scope="row">Direction</th> <th scope="row">Formed of</th> <th scope="row">Etymology</th> <th scope="row">World's Longest</th>
A stalactite is a type of formation that hangs from the ceiling of caves, hot springs, or manmade structures such as bridges and mines. A stalagmite is a type of rock formation that rises from the floor of a cave due to the accumulation of material deposited on the floor from ceiling drippings.
Where mineralized water or another transmitting liquid drips from a cave ceiling. Where mineralized water or another transmitting liquid drops onto a cave floor.
From ceiling, downwards From ground, upwards
Limestone, lava, ice, amberat, minerals, mud, peat, pitch, sand, sinter or concrete Limestone, lava, ice, amberat, minerals, mud, peat, pitch, sand, sinter or concrete
From the Greek word "stalaktos," which means 'that which drips.' From the Greek word for "stalagma, " which means 'a drop' or 'dropping.'
8.2 meters (27 feet) in the White Chamber of the Jeita Grotto in Lebanon. 62.2 meters (204 feet) in the cave of Cueva Martin Inferno, Cuba.
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Yogita Ingle 3 weeks, 1 day ago

Since geography is relates to studying the Earth, and the Earth is continually changing. Nothing on Earth remains in a static position. The only constant on the Earth is change. The rate of things change differs from place to place.

The geographical phenomena, both human and physical, are highly dynamic. They change gradually because of the inter-active processes between ever hanging earth and ever-active and untiring human beings. There subsist changes over the earth’s surface in its physical as well as human and cultural environs.

Many phenomena are similar and several are dissimilar. It is, thus, logical to distinguish geography as the study of a real differentiation. Therefore, geography is supposed to study those phenomena that differ over space. Geographers study the changes/variations/adaptations in the phenomena over the surface of the earth as well as study the relations with the other factors that cause these changes.

For instance, cropping patterns vary from area to area; however this variation in cropping pattern, as a phenomenon, is associated with changes in climates, soils, market demands, and ability of a farmer to invest and technological inputs available to them. Therefore, the concern of geography is to discover the causal connection between any 2 phenomena or between more than one phenomena.

Primitive human societies were directly reliant on their immediate environs. Geography, therefore, is connected with the study of Human and Nature inter-actions as a unified whole. ‘Human is an essential part of ‘nature’ and ‘nature’ has the human imprints. ‘Nature’ has impacted different facets of human life. Its imprints is seen on clothing, food, occupation, and shelter. Human beings have gradually accepted nature by way of adaptation and modification.

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Meghna Thapar 3 weeks, 2 days ago

Physical geography looks at the natural processes of the Earth, such as climate and plate tectonics. Human geography looks at the impact and behaviour of people and how they relate to the physical world. Physical geography is the study of natural features and phenomena on the planet's surface and our interactions with them. Geography doesn't just determine whether humans can live in a certain area or not, it also determines people's lifestyles, as they adapt to the available food and climate patterns.

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Yogita Ingle 3 weeks, 5 days ago

Biosphere reserves are the protected areas meant for the conservation of plants and animals. It also restores the traditional life of the tribals living in that vicinity. They conserve the biodiversity of that area.

There are 18 Biosphere Reserves in India established by the government that protect large areas of natural habitats. These areas are provided with the buffer zones that are open for some economic uses. Not only the flora and fauna but also the humans inhabiting these areas are protected.

The Biosphere Reserves are identified by the Man and Biosphere Reserve Program to promote sustainable development. This program was initiated by UNESCO in 1971. This program recognizes areas that:

  • are the world’s most typical terrestrial and coastal ecosystems.

  • areas that exhibit approaches ton live and work in harmony with nature.

  • that demonstrates the achievement of a sustainable balance between conserving natural ecosystems and biodiversity.

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Lucifer😇 Morningstar🤠 3 weeks, 5 days ago

More About earth
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Yogita Ingle 3 weeks, 5 days ago

Areal differentiation represents one of the classic philosophical approaches to geographic inquiry. A central concept of areal differentiation is that the surface of the earth may be divided into regions, which may be distinguished and categorised using various spatial criteria. Thus, areal differentiation provides the theoretical foundation for regional geography, by conceptualising space as consisting of identifiable units that may be distinguished from one another on the basis of a set of phenomena or criteria. When there is similarity and dissimilarity among the physical and cultural features on the earth surface, it is called aerial differentiation.

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Yogita Ingle 3 weeks, 6 days ago

There were lots of hypothesis regarding the origin of life on earth. Certain experts suggested that life came from outer space as spores while another group explained that life came from a non-cellular component such as decaying matters like mud. The latter theory was known as the theory of spontaneous generation, which was discarded later.

In the year 1953, Oparin and Haldane suggested that life originated from non-living organic molecules like proteins and RNA. This was followed by the theory of chemical evolution which suggested that atmospheric conditions of earth led to the formation of organic molecules from inorganic molecules. Few scientists conducted experiments regarding the same. However, once the first life came into existence, they started to evolve in different ways and forms. This laid a stepping stone to the theory of evolution.

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Yogita Ingle 4 weeks ago

Humans are sophisticated and evolved animals who have modified the natural environment to make it suitable for living. While human dependency on nature has been decreased over the process of evolution, people still demonstrate many forms of nature contentedness. This includes emotional attachment to nature, perception of themselves as a part of nature, and activities aimed at nature protection. Human is an integral part of nature and nature has imprints of man.

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Gaurav Seth 4 weeks ago

Variations in the natural as well as cultural phenomena provides a clue in understanding the relationship

between physical environment and cultural features.

The physical environment has provided the stage over which the human societies enacted the drama of their creative skills with the tools and techniques which they invented in the process of their development. It can be said that geography is the description of the earth. We know that the reality is always multifaceted and the earth is also multi-dimensional. This is why many disciplines from natural sciences and a number of sister disciplines in social sciences study different aspect of the earth's surface. Geography is different from other subjects but at the same time it is closely related to

other disciplines. Geography derives its data base from all the natural and social sciences.

The existing variations over the surface of the earth in physical as well as cultural environment. A number of phenomena are similar and many are dissimilar. It is, therefore, logical to perceive geography as the study of a real differentiation.

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Yogita Ingle 4 weeks ago

 Riverine means anything that is related to rivers. Islands which gets formed in the river when the water level drops down is called riverine islands. These types of islands are also created when two rivers interconnect with each other.

The remaining land in between is called the riverine island. Many isles formed in Bangladesh by Brahmaputra are some of the examples of riverine islands.

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.. .. 4 weeks, 1 day ago

To learn more about our earth
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Gaurav Seth 4 weeks, 1 day ago

There are two sources for information about interior of the earth – a) Direct Sources and b) Indirect Sources:

  • Direct Sources: Mining, drilling and volcanic eruption are examples of direct sources. During the process of mining and drilling rocks and minerals are extracted which gives information that there are layer system in the crust. Crust is made of many kinds of rocks and minerals. Volcanic eruption suggests that there is some zone inside the earth which is very hot and in liquid condition. Direct sources are not very reliable because mining and drilling can be done only up to some depth only.
  • Indirect Sources: Seismic waves, gravitational field, magnetic field, falling meteors etc are example of indirect sources. They are very important for know about earth‘s interior. Movement of seismic wave suggests that there are three layers in the earth and each layer has different density. Density increases toward the center of the earth. Movement of seismic wave suggests two things: a) There are three layers in the earth and b) Each layer has different density which increases toward the center of the earth.
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  • 2 answers

Ranvir Ahlawat 1 month ago

Plz answer it.

Ranvir Ahlawat 1 month ago

Guttunbergs falls
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  • 2 answers

Yogita Ingle 1 month ago

There are two sources for information about interior of the earth – a) Direct Sources and b) Indirect Sources:
•Direct Sources: Mining, drilling and volcanic eruption are examples of direct sources. During the process of mining and drilling rocks and minerals are extracted which gives information that there are layer system in the crust. Crust is made of many kinds of rocks and minerals. Volcanic eruption suggests that there is some zone inside the earth which is very hot and in liquid condition. Direct sources are not very reliable because mining and drilling can be done only up to some depth only.
Indirect Sources: Seismic waves, gravitational field, magnetic field, falling meteors etc are example of indirect sources. They are very important for know about earth‘s interior. Movement of seismic wave suggests that there are three layers in the earth and each layer has different density. Density increases toward the center of the earth.

Meghna Thapar 1 month ago

The direct sources are those that provide first-hand information about events whereas the indirect sources involve the reports and analysis of direct information by other people. In scientific disciplines, experiments are the most common direct source; in other disciplines, surveys and interviews, or research into written and oral records of events provide direct access to information. Most of our information about earth's interior has come from seismic studies. Seismic waves produced during an earthquake are recorded by a seismograph when these waves reach the surface of the earth. There are two types of seismic waves- body waves and surface waves.

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Meghna Thapar 1 month ago

Four types of seismic waves| Specifications of all types of seismic waves.

  • P- Waves (Primary waves)
  • S- Waves (Secondary waves)
  • L- Waves (Surface waves)
  • Rayleigh waves.

 L waves they are dispersive so the particular speed at which they travel depends on the wave period and the near-surface geologic structure, and they also decrease in amplitude with depth. Typical speeds for Rayleigh waves are on the order of 1 to 5 km/s.

Meghna Thapar 1 month ago

Wave is a flow or transfer of energy in the form of oscillation through a medium – space or mass. Sea waves or tides, a sound which we hear, a photon of light travelling and even the movement of small plants blown by the wind are all examples of different types of waves.  L waves they are dispersive so the particular speed at which they travel depends on the wave period and the near-surface geologic structure, and they also decrease in amplitude with depth. Typical speeds for Rayleigh waves are on the order of 1 to 5 km/s.

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Yogita Ingle 1 month ago

S waves, also called secondary waves and shear waves, are the second waves to hit the seismographs. They are transverse waves, which means that the motion is perpendicular to the direction of wave propagation. S waves can only travel through solids and scientists have been successful to map the interior of the earth by studying the routes of these waves.

P waves, or Primary waves are the first waves to hit the seismographs when an earthquake strikes. They are longitudinal waves which means that the direction of motion and propagation are the same.

 

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