Which of the following was a contribution of both the Shang Dynasty and ancient Egypt?

A : a writing system based on pictographs
B : advanced mummification practices
C : a strong naval force
D : advanced silk-making techniques

Answer :

Answer:

B

Explanation:

dignoris

Answer:

answering for the other person to get the crown thingy<3

Explanation:

ik im late, sorrryyyyyyy :(

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