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The below charts visualise the warning times of the close approaches listed in the above bargraph, by the size of the asteroid instead of by the year they occurred in. The sizes of the charts show the relative sizes of the asteroids to scale. This is based on the absolute magnitude of each asteroid, an approximate measure of size based on ...
The National Lottery was introduced to South Africa on 11 March 2000. At the time it was run by Uthingo. [citation needed]After a marketing effort that aimed to reach 80 percent of South African homes directly [5] more than 800,000 tickets were sold in the first day of availability [6] Nearly R70 million worth of tickets were sold in the first three weeks of operation.
In data mining and association rule learning, lift is a measure of the performance of a targeting model (association rule) at predicting or classifying cases as having an enhanced response (with respect to the population as a whole), measured against a random choice targeting model.
The first census in South Africa in 1911 showed that whites made up 22% of the population. This declined to 16% in 1980, [31] 8.9% in 2011 and 7.65% in 2022. [32]: 21 Coloured South Africans replaced Whites as the largest minority group around 2010. Maps of ethnoracial groups of South Africa
The long-term potential growth rate of South Africa under the current policy environment has been estimated at 3.5%. [52] Per capita GDP growth has proved mediocre, though improving, growing by 1.6% a year from 1994 to 2009, and by 2.2% over the 2000–09 decade, [53] compared to world growth of 3.1% over the same period.
These papers utilized the compendium to track origination rates (the rate that new species appear or speciate) parallel to extinction rates in the context of geological stages or substages. [60] A review and re-analysis of Sepkoski's data by Bambach (2006) identified 18 distinct mass extinction intervals, including 4 large extinctions in the ...
It's compulsory for a business to register VAT remission when the value of taxable supplies in a 12-month period exceeds or is expected to exceed R1 million. VAT in South Africa currently stands at 15% as of 1 April 2018. [26] Value Added Tax (VAT) was first introduced in South Africa on 29 September 1991 at a rate of 10%. In 1993 VAT was ...
Chart of the time-averaged census for large-bodied dinosaurs from the entire Hell Creek Formation in the study area According to studies published in 2021 by Charles Marshall et al., the total population of adult Tyrannosaurus at any given time was perhaps 20,000 individuals, with computer estimations also suggesting a total population no lower ...