Answer:
Elevation
Index contours
Contour interval
Explanation:
Contour lines on topographic connect points of equal elevation on the earth crust.
They are used to delineate the elevation of the landforms in an area.
Index contours are heavier lines on the topographic maps. They have numbers for specific elevation. The elevation of the index contour is used in extrapolating those of other places on the map.
The difference in elevation between contour lines is called contour interval. Most maps usually have consistent contour interval.
British Columbia has the best quality of life in the country. Overall, B.C. scored a 10 for access to services, 9.6 for education, and 9.4 for health services and/or treatment.
The Prime Meridian marks zero degrees longitude. Without it, the other degrees of longitude cannot be measured.
Answer:
Four
Explanation:
There are four U.S. states bordering Mexico. The four states are: Texas, New Mexico, Arizona and California. Texas shares borders with the Mexican states of Chihuahua, Coahuila, Nuevo León, and Tamaulipas to the southwest, while the Gulf of Mexico is to the southeast.