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The Vredefort impact structure is the largest verified impact structure on Earth. [1] The crater, which has since been eroded away, has been estimated at 170–300 kilometres (110–190 mi) across when it was formed.
Some were global, but were not as severe—e.g. the 1918 influenza pandemic killed an estimated 3–6% of the world's population. [13] Most global catastrophic risks would not be so intense as to kill the majority of life on earth, but even if one did, the ecosystem and humanity would eventually recover (in contrast to existential risks ).
"When Nature Attacks" from Newsweek; World's worst natural disasters since 1900; Earthquake Hazards Program – USGS; EM-DAT: The International Disaster Database managed by the Centre for Research on the Epidemiology of Disasters; Disasters Database Report from Emergency Management Australia
Insects make up the vast majority of animal species. [14]Chapman, 2005 and 2009 [9] has attempted to compile perhaps the most comprehensive recent statistics on numbers of extant species, drawing on a range of published and unpublished sources, and has come up with a figure of approximately 1.9 million estimated described taxa, as against possibly a total of between 11 and 12 million ...
A December 2020 study published in Nature found that human-made materials, or anthropogenic mass, exceeds all living biomass on Earth, with plastic alone outweighing the mass of all terrestrial and marine animals combined. [261] [24]
Here's a ranking of the world's scariest bridges, now expanded to include some additional nail-biters. Skip to main content. Subscriptions; Animals. Business. Entertainment. Fitness. Food. Games ...
Considered one of the largest sinkholes (dolinas) in the world; Gruta do Centenário – a cave located in Mariana, Minas Gerais, the largest and deepest quartzite cave in the world, and second in the country in terms of unevenness; Lapa Terra Ronca – a dolomitic limestone cave inside the area of the Terra Ronca State Park in Goiás.
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