Kryptonite .
The hardness of diamond is a physical property of the diamond. The statement is also untrue as diamond is only the hardest known mineral, not the hardest known substance.
no only superman can
No, iron,cobalt,and nickel are the only known magnetic substance.
CEA is a substance which is normally found only during fetal development, but may reappear in adults who develop certain types of cancer.
Chemical properties can only be determined by changing a substance.
only superman can rip a dime only superman can rip a dime
The only people who can stop Superman are ones that have access to Kryptonite.
Superman has stated that the only man he's afraid of is Batman, and with good reason.
No. A substance that produces a large no. of ions in solution is called electrolyte.
An Element is the substance consisting of only one type of atom
He can't see through lead, that's why kryptonite has to be kept in a lead box
The hardness of diamond is a physical property of the diamond. The statement is also untrue as diamond is only the hardest known mineral, not the hardest known substance.
No. Only Batman
no only superman can
No, only kryptonite does.
Ben Affleck is the only actor who played both Batman or superman
Superman is better. Superman is stronger, faster, much more experienced in battle than most lanterns seeing as they had a reboot. Superman is weak to magic only, the only lantern possible of doing that would be the Hal Jordan when he was possessed by the spectre and in that case it would be superman vs the spectre, not the same thing.