Two pieces of the same metal are placed on a table. The pieces of metal have the same density, mass, and texture. Which characteristic must be the ONLY difference
between the two samples?

F. They have different dimensions.

G. They have different boiling points.

H. They are made up of a different type of matter.

I. They contain a different amount of matter per unit volume.

(With Explanation)

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Fugu, also known as puffer fish, is a sushi delicacy that can also be lethal. puffer fish contain a powerful toxin that can kill an adult a few hours after ingestion. sushi chefs who prepare fugu must be specially trained because any contamination of the toxin-free areas of the fish can be deadly. recently this toxin has been put to good use, as scientists have discovered that a purified form of it can treat severe pain in cancer patients. this recent scientific discovery would fall under which area of chemistry? applied biochemistry pure organic chemistry pure physical chemistry applied inorganic chemistry

Explanation for basic character?