Question

what is the largest known dinosaur

Answer 1

At 76 tonnes (69 metric tonnes), the plant-eating behemoth was as heavy as a space shuttle. The dinosaur's fossils were found in southern Argentina in 2012. Researchers who examined and dated them said the long-necked creature was thebiggest of a group of large dinosaurs called titanosaur

Answer 2

the greatest dianosuar is t rex and longest is diplodocus.