Question

What are parallels of latitudes and meridians of longitudes?

Answer 1

Parallels of latitude are full circles surrounding the earth .
Meridians of longitude are semi circles surrounding the earth .

Answer 2

Latitude and Longitude (Meridians and Parallels) The Equator is an imaginary circle equidistant from the poles of the Earth. Circles parallel to the Equator (lines running east and west) are parallels of latitude. They are used to measure degrees of latitude north or south of the Equator.