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.
A round trip from the U.S. West Coast to Australia/New Zealand and return is about 46 days. An around the world voyage lasts generally 80 to 100 days, or more. A westbound voyage from L.A. CA. to Hamburg, Germany is about 41 days.!! watchout for pirates..!!