Who discovered cement?

A. Agassit
B. Albertus Magnus
C. Joseph Aspdin
D. Janseen

Submitted by: Abid Hussain

Cement as we know it was first developed by Joseph Aspdin, an enterprising 19th-century British stonemason, who heated a mix of ground limestone and clay in his kitchen stove, then pulverized the concoction into a fine powder. The result was the world’s first hydraulic cement: one that hardens when water is added.

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Recently new Continent has discovered?
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B. 1955 and 30,000
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