Most sharks are Ecthoterms, cold-blooded fish. The Megalodon was a massive shark that went extinct 3.6 million years ago, and like some shark species, it was not a cold-blooded fish, it could keep its blood temperature about 7 degrees warmer than its surrounding water.
Photo by: https://commons.wikimedia.org/wiki/File:Carcharodon_megalodon_size_compasison_with_man.png
Brazil’s former president, Jair Bolsonaro, encouraged Amazon logging, and during his presidency, the Amazon has seen record tree logging. The newly elected president, Luiz Inácio
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UN warns that because the planet is heating up some glaciers will completely vanish by 2050. Some of the glaciers are UNESCO sites, such as
