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Gaurav Seth 4 years, 4 months ago
there are three layers of the earth:
- Crust
- Mantle
- Core
The Crust
It is the outermost layer over the earth’s surface. It is
- The thinnest of all the layers.
- About 35 km on the continental masses and only 5 km on the ocean floors.
The main minerals constituting the continental mass are:
- Silica
- Alumina
The continental mass is also called ‘sial’. The name sial is derived from letters ‘si’ of silicon and ‘al’ of alumina.
The main mineral constituents of the oceanic crust are:
- Silicon
- Magnesium
The oceanic crust is called ‘sima’. The root of the word sima is ‘si’ from silica and ‘ma’ from magnesium.
Mantle
It is the layer just beneath the crust and extends up to a depth of 2900 km below the crust.
Core
It is the innermost layer i.e. it is below the mantle. Its radius is about 3500 km. The core consists of outer core and inner core. It is mainly made up of:
- Nickel
- Iron
The innermost layer is also called ‘nife’. The name nife is derived from the word ‘ni’ from nickel and ‘fe’ from ferrous meaning iron. The temperature and pressure of the central core is very high.
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Yogita Ingle 4 years, 4 months ago
The Control Panel is a section of Microsoft Windows that enables a user to change various computer hardware and software features. Settings for the mouse, display, sound, network, and keyboard represent a few examples of what may be modified in the Control Panel. Below are some examples of how the Control Panel appeared in Windows.
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Yogita Ingle 4 years, 4 months ago
The main steps of nutrition in humans are ingestion, digestion, absorption, assimilation and egestion.
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Dhruv Champewala Dhruv 4 years, 4 months ago
Yogita Ingle 4 years, 4 months ago
he place, people, things and nature that surround any living organism is called environment. It is a combination of natural and human made phenomena.
The environment is important to us because it provides the air we breathe, the water we drink, the food we eat and the land where we live.
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Yogita Ingle 4 years, 4 months ago
James Madison Jr. was an American statesman, diplomat, expansionist, philosopher and Founding Father who served as the fourth president of the United States from 1809 to 1817.
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Harsh Jaiswal 4 years, 4 months ago
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Azka Aman 4 years, 4 months ago
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Azka Aman 4 years, 4 months ago
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Yogita Ingle 4 years, 4 months ago
Glucose is a simple sugar which can be readily absorbed by the body. Unlike other foods such as carbohydrates, glucose does not have to be processed by the digestive system for energy. It is directly absorbed into the bloodstream and all cells. Once inside, glucose undergoes oxidation, which results in the release of ATP, a high-energy molecule that provides energy for the cell.
Posted by Seema Chaubey 4 years, 4 months ago
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Sia ? 3 years, 6 months ago
Overview of data types and field properties in Access, and detailed data type reference. including Memo, Date/Time, and Text. Sign in to your account Data types can seem confusing for example, if a field's data type is Text, it can store data You can use contact names as the primary key for that table.
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Gaurav Seth 4 years, 4 months ago
Hexadecimal number to binary ( 48 CF ) 16 = ( ? ) 2
A n s w e r :
48 c f 16 = 1 0 0 1 0 0 0 1 1 0 0 1 1 1 1 2
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