Question

What was the biggest dinosaur

Answer 1

That said, the largest dinosaur based on the most evidence is the Argentinosaurus, discovered in — you guessed it — Argentina in 1993. With a length of up to 130 feet long and an estimated weight of 110 tons, it dwarfs other known fossils of dinos.

Answer 2

Argentinosaurus huinculensis was the world's largest ever land animal.