No.
no a lightsaber would not kill superman
No. Dinosaurs predate monkeys.
superman killed badguys but not the inocent
The dinosaurs died out different way The dinosaur from the late triassic died out by the envirmont changing Dinosaur from the Jurassic died out by a flood Dinosaurs from the cretaceous died out from lava and a comet.
kryptonite
no
No one knows what killed the dinosaurs.
no
no
Anyone who has kryptonite and exposes him to it.
Kryptonite
Metallo has tried in Superman/Batman: Public Enemies