I think because of the reveloutiones was a very weak country
Ps my not sure
Answer:
You should conduct more research and assume that the text book may have incorrect information!
Explanation:
Meridians are perpendicular to every latitude<span>. ... All the other </span>longitudes are measured<span>, and named after the angle they make with respect to the center of the Earth from the intersection of the Meridian and the Equator. Since a sphere has 360 </span>degrees<span>, the Earth is divided into 360 </span>longitudes<span>.</span>