Based on details from the riddle of the Rosetta Stone what is an effect of the hieroglyphs in the Greek alphabet appearing together on the slab

having the greek alphabet in place next to any other foreign script (in this case, the hieroglyphs) provides the ability to begin translating said script easily by matching it to the well-known greek script

(B) It provides an opportunity to decipher the unknown hieroglyphs by matching them to the known Greek language.

Explanation:

Correct on edge

may be 2 and 4.but not that sure