Question

Scientists once believed that Tyrannosaurus rex dragged its tail along the ground. Today, they know that T. rex did not drag its tail but held it aloft, above the ground. This change in scientific consensus happened because

Answer 1

Truly we are unable to understand how dinosaurs actually projected themselves while they still existed. our only true knowledge of dinosaurs comes from scientists that study prehistoric fossils (Paleontologist) but truly we have no way to prove whether or not Tyrannosaurus's dragged their tails or not.

Answer 2

because the t rex or tyrannosaurus rex used its tail for balenc