Review the map showing trade and resources of the Maya. An untitled geographic map of Mexico and Central America. Trade routes and items for trade are shown. Trade routes follow the entire east coast, crossing inland to follow a river to the west coast. Obsidian and Jade are found in the higher elevations while cotton and cacao are in the lower elevations.

According to map, which two resources were found in the highlands?

cotton and jade
cotton and cacao
obsidian and cotton
obsidian and jade