Comparison of even-toed ungulate and cetaceans genetic material has shown that the closest living relatives of whales and hippopotamuses is the paraphyletic group Artiodactyla. Dan Graur and Desmond Higgins were among the first to come to this conclusion, and included a paper published in 1994.
Definition of roundâtrip. : a trip to a place and back usually over the same route.
Best Answer: The distance around the Earth, also known as its circumference, is 24,906 miles. This means if you were driving non-stop at the speed limit of 65 miles per hour, it would take you 383.2 hours, or nearly 16 days to make the trip!