Explanation

Calculating the radius of the earth over a thousand years ago required a lot of imagination.

The 10th-century Persian mathematician Abu Rayhan al-Biruni used simple trigonometric results to estimate the radius and circumference of the Earth

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Explanation

Explanation

• The Atacama Desert is located in South America.
• One of the driest deserts in the world.
• Lies along the Pacific coast of South America.
• Famous for its extremely dry climate.
• It is the world's largest fog desert.

Last updated: 20-09-2026 by NA

Explanation

 The NAFTA was signed by Canada, Mexico, and the United States in 1992.

North American Free Trade Agreement full form of NAFTA.

This agreement created one of the largest free-trade zones.

Explanation

PIN is a short for a personal identification number.

The PIN is a set of personal numbers used to prove positive identification.

It is often used with automated bank teller machines, telephone calling cards, and accessing wireless networks.

Explanation

In Microsoft Word and other word processors, pressing Ctrl + X cuts any text, picture, or other object that is selected.

Ctrl + Z  used for = Undo

Ctrl + X  used for = Cut

Ctrl + Y   used for  = Redo

Explanation

Colour of the plants is green due to the presence of Chlorophyll۔

Chlorophyll absorbs certain wavelengths of light within the visible light spectrum.

Chlorophyll is the green color pigment which absorbs wavelength from sunlight.

Since the synthesis of food occurs in the presence of sunlight, it is called photosynthesis. 

Explanation

The neutron is a neutral particle,

which is stable only in the confines of the nucleus of the atom.

Explanation

Explanation

Format painter in power point relates to  copy formatting from one object or piece of text and then applied it else where

Use Format Painter to quickly apply the same formatting,

such as color,

font style and size,

or border style,

to multiple pieces of text or graphics.

With format painter,

you can copy all of the formatting from one object and apply it to another