Brainliesttt include several achievements for each of the following civilizations: -inca: -maya: -aztec:

Inca: Terrace

Maya: Calendar

Aztecs: Tenochtitlan/Architecture

Explanation:

The incas were great agricultural people, they used a technique called Terraces, and in them they grew crops in the mountains, where they built little Terraces to create plane fields that were easier to farm.

The mayan culture was great with astronomy, and they created a lunar and solar calendar as exact as the one we use in this time.

The aztecs had great knowledge in architechture, creating the greatest city of the continent in Tenochtitlan, with floatin islands on a lake, and creating great large roads that conected the empire.

the answer is a glaciers carved a large valley that later flooded and became puget sound

b

explanation: