Did you know? Time since the end of the Precambrian supereon, explosion of life forms (541 million y) is 20 thousand x Time since first domestication of dogs (27,000 y) Tweet this comparison
Land used for arable in South Africa (2011) (3,200 km^2)
/fact/land-used-for-arable-in-south-africa
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If this was a standard unit ...