Many customers don't tip or only tip like $10. Which is good compared to pizza places.... except you'll likely have to split it with whoever made the order. So overall, 6/10.
The mammoths completely disappeared from mainland habitats by the end of the Pleistocene epoch, and the last remaining populations were lost 6,400 years ago from the St. Paul Island and, finally, 4,000 years ago from the Wrangel Island, several centuries after the constructions at Giza.
Clues from the fossil record give us information about what species went extinct and when, but how the extinction happened in the first place has been a puzzling question for scientists. One of the biggest theories involves a series of volcanic eruptions, which took place about 250 million years ago in Siberia. According to Smithsonian's Mass Extinction, these eruptions spewed enough lava to bury the continental US under a layer 1,000 feet deep. Wikimedia Commons Part of the Siberian traps.