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julia demonstrated the formation of a type of rock. she mixed egg, salt, and herbs and cooked the mixture over a flame. the egg turned into an omelet. the formation of which type of rock did julia demonstrate?
a.) eroded rock
b.) igneous rock
c.) metamorphic rock
d.) sedimentary rock

Option (C)

Explanation: Metamorphic rocks are those rocks that are formed when a pre-existing rock undergoes changes or metamorphism, due to the changing pressure and the temperature condition, and forms a new rock. For example, Quartzite, Marble, Schist and Gneiss. They are also known as the secondary rocks, as they are derived from the previous rock.

In the given condition, Julia mixes the egg with salt and herbs and cooked the mixture over a flame, this is compared to the changing pressure and temperature condition that rock undergoes, and that lead to the formation of her omelette, which is here compared to a metamorphic rock.

Thus, the correct answer is option (C).