The olmec produced an abundance of the blocks of material were quarried, then transported from distant sites. a. codex-style brushes c. basalt sculptures b. miniature effigy sculptures d. rock art paintings

c. basalt sculptures

Explanation:

Basalt sculptures were sculptures made out of volcanic rocks, the olmecs are very famous for their work with giant volcanic rocks in which they craved giant heads. The olmecs were one of the greates civilizations to ever inhabit America, and were located in the south states in what is now Mexico.

artists followed a set of rules to achieve ideal proportion.