What is the difference between T. rex and Giganotosaurus?(Dino Don's Dinosaur Days)

Matthew Carley, Age 9 high hill Holly, New Jersey

one as well as the other were meat eaters, but they direct the eyeed different and lived in different times and places, in the way that they never saw each other. T rex lived in western North America about sixty-five million years ago, measured forty feet drawn out and weighed about seven tons. It was the largest dinosaur in its part of the world.