Answer:
a. Temple.
Step-by-step explanation:
The pyramid dedicated to Kukulkan (the deity known as the “feathered serpent”) is a temple dedicated to this god and it is located in the Yucatan Peninsula in what once was the city of Chichen Itza. The pyramid was built in the 12th century CE and through it one can still appreciate certain cosmological effects of light, most notably how the serpent-god descends through the stairs of the temple during equinox.