A. use of terra cotta and bronze heads
B. multiplicity of idols and gods
C. its discovery of terra cotta (burnt clay)
D. use of carved woods and ivory

Correct Answer: Option A

A. use of terra cotta and bronze heads

Explanation

Use of terra cotta and bronze heads is the correct answer. Objects such as stools and figures were carved on hard stone called quartz while animal and humanity figures were carved from granite and decorated with iron nails.

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