Which Micronesian site known for its extensive architectural complex had been abandoned before Europeans discovered it in the nineteenth century?

Naturalistic philosophy was advanced by the theories of

a. Thales. b. Democritus. c. Pythagoras. d. All these answers are correct.

The accompanying percussion instrument in this selection is a?

a. ?buzzing quijada b. ?requinto. c. ?guiro (scraper). d. ?pair of sugar canes.