During Pleistocene epoch, four glacial phases were identified. Which one of the following is the correct chronological order in which they appeared during this epoch from early times?
Earth Hour is a people's movement inspiring individuals from more than 7000 cities across the globe to take a stand against climate change, making it the largest voluntary movement ever witnessed in history.
On 25 March 2017, Switch Off and Switch Onto Solar Energy
The earliest historic evidences of use of metal are of Chalcolithic Age or Stone-Copper Age, which covered the period from 1800 - 800 BC. This period was by the use of Copper as well as stone.
Hence, the first metal to be used in India is Copper.
A skid happens whenever the tires lose their grip on the road. Braking skids occur when the brakes are applied so hard that the front or rear wheels lose traction.
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