Both the highlands and the lowlands were important to the presence of trade within the mayan civilization. t/f

True Explanations: For making sauces and other drinks Mayans used Chocolate which was grown in lowlands and transported to highlands for trade.The inland Central Petén and the Puuc region in Northern Yucatán, had relatively low access to obsidian despite drawing from the Guatemalan highlands as other regions of Mesoamerica. The inland and riverine trade routes that when combined allow for transport of bulk obsidian from highlands into lowlands as well as competing commercial and distributional systems created by sociopolitical relationships.