Answer:
6. Longitude or Longitudinal line
7. Latitude or Latitudinal line
8. Prime meridian
9. Equator
Explanation:
6. The longitude, denoted as lambda, λ, specifies the angular degree east or west of a point on the Earth surface is from the prime meridian
7. The latitude is the measure of the degrees North or South a point is from the equator, whereby a point located at the equator is specified as 0° and a point at the North or South pole has a 90° latitude
The combination of longitude and latitude specifies a specific location ont he Earth's surface
8. The prime meridian is a region with 0° longitude
9. The equator is the line that runs half way between the North and South poles of a celestial body. It is the line with 0° latitude
