materials used for mking coins in medieval period and in present times in india?

Question

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Answer 1

Ditu,

India used exactly the same materials as the rest of the world.

Gold, silver, copper and bronze was used in the past.

More recently materials such as stainless steel and aluminium have been used. (see link 2)

The link below will take you to a website dedicated to Indian coins.

Answer 2

the reality that this 'warming era' wasn't 'international huge' illustrates the reality that interior of sight activities and anomalies are not what we are conversing approximately. we are conversing some significant scientific test making use of the full earth as a laboratory. The speculation states that incoming photograph voltaic radiation could be balanced via an equivalent volume of outgoing infrared radiation to maintain a suitable planetary temperature and that extreme human generated greenhouse gases interfer with this warmth replace. The counter speculation states that no volume of human action can result the earth's climate. The 'test' incorporates putting increasing quantities of CO2, methane and water vapor into the ambience via burning fossil fuels. warmth physics point out that those 'greenhouse gases' tend to ward off infrared radiation from exiting the planet's floor into outer area. The test over the final 2 centuries coach an instantaneous affiliation between growing to be synthetic CO2 production and a small volume of warming. It additionally shows that a good number of the CO2 has been absorbed via the international's oceans decreasing the completed volume of released CO2 in the ambience. whether there are stunning symptoms that the oceans have absorbed on the brink of their optimum inflicting the quantity of atmospheric CO2 to quickly improve...the 'hockey stick' representation. the present CO2 load stands at 386ppm and 400ppm is the place customary warmth physics shows that speedy heating will happen. If the oceans coach to be waiting to soak up limitless CO2 and we bypass the 400ppm threshold and no substantial heating is observed, the 1st hypothisis will coach to be incorrect and the 2nd will prevail. Who desires to guess?