Explanation

Cement is manufactured through a closely controlled chemical combination of calcium, silicon, aluminum, iron and other ingredients.

Common materials used to manufacture cement include limestone, shells, and chalk or marl combined with shale, clay, slate, blast furnace slag, silica sand, and iron ore.

Explanation

John Brodrick  was a British Army general 

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Monarchy rule is in the England

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Explanation

Capital of Afghanistan is Kabul

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The Maginot Line  is a line of concrete fortifications, obstacles, and weapon installations built by France in the 1930s to deter invasion by Germany and force them to move around the fortifications.

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Mian Ghulam Shah Kalhoro ‎ was the ruler of the Kalhora Dynasty from 1757

He was recognized and bestowed upon title of Shah Wardi Khan by Afghan King Ahmad Shah Durrani.

Explanation

Hamid Karzai is an Afghan politician who was the president of Afghanistan from 22 December 2001 to 29 September 2014. 

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He was first Asian who got Nobel prize in 1913.

Explanation

Metabolism is a term that is used to describe all chemical reactions involved in maintaining the living state of the cells and the organism.