Sink or Swim the person above you


but they noticed distinct claw marks that stretched 50 feet apart from each other
showing the T- Rex traveled by water from time to time!
They used their claws to scrape the river floor to help propel them forward and used their tails for direction;
pretty much just like how an alligator swims around. A T- Rex had a lot of air sacs in their skeleton to help them breathe and lighten their bodies.