But many experts would say that this rather small piece of rock was more valuable than any of the larger objects in the room.

In this line of text, the author makes his viewpoint clear about the

reign of Pharaoh Amenophis III who discovered the Rosetta Stone.
reign of Pharaoh Ramesses II who discovered the Rosetta Stone.
Rosetta Stone’s use of hieroglyphs to describe life in ancient Egypt.
Rosetta Stone’s use of hieroglyphs to explain weather patterns.

Rosetta Stone’s use of hieroglyphs to describe life in ancient Egypt.

is the answer

Explanation:

i got it right on edge

taking a bath requires the most water out of the given options because it takes a significant amount of water in order to fill a bathtub.

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."