Why does Utqiagvik, Alaska have 60 days of daylight and 60 days of night every year?

The sun rose and set in Utqiagvik for the last time on November 19 for a period of over 60 days. This phenomenon occurs every year in winter in the Alaska town because of the tilt of the Earth's axis. "Polar night is a normal phenomenon that happens every winter for Barrow (Utqiagvik), and any other towns inside the Arctic circle.

Explanation:

The northern third of Alaska lies above the Arctic Circle, the ring of latitude that encircles the frigid Arctic polar region, making it dark during the winter

Explanation:

a, b, and c are all correct.

a conclusion based on evidence is an example of a. inference