What objects did Archimedes use to test the density of the gold crown? How can a modern investigator identify the elements in paint?

is has three carbons, so the answer is propylamine.

meth-

eth-

prop-

but-

pent-

hex-

hept-

oct-

non-

explanation:

the answer is learned

with this one i know the answer in craters one reason i looked it up and i learned about it there is my evidence

answersilicon (si); oxygen (o);