How was the rosetta stone used?

a. to decipher egyptian hieroglyphics
b. to communicate with aliens
c. to decode enemy communications
d. to understand the epic of gilgamesh

  A. To decipher Egyptian hieroglyphics.

Explanation:

  It was discovered in 1799 and held three versions of a decree issued at Memphis, Egypt. While the top and middle texts are written in Ancient Egyptian using hieroglyphic and demotic scripts. The last part is written in Ancient Greek, a language more known than the Egyptian. The Rosetta Stone became a key element to deciphering Egyptian hieroglyphics and therefore opened the window to ancient Egyptian history.

  I hope this answer helps you.

answer: no

explanation:

i'm not sure what the second paragraph is but a decree is an official order issued by legal authority. find the one that best fits this definition.