An observer in Watertown New York would see the star Polaris at an altitude of approximately

41.3°.

Explanation:

An observer in Watertown New York would see the star Polaris at an altitude of approximately about 41.3°. Those people who lives in north pole, the star Polaris present over their head because star Polaris is present in North pole so people of other regions can see them from different altitudes. The New York city also present from north pole so the person see the star Polaris from an altitude of 41.3°.

c. seafloor spreading occurs.

d. crust becomes molten rock.

e. denser plates slide under lighter plates.