Which line is highlighted in the middle of the map above? a. the prime meridian b. the international date line c. the tropic of cancer d. the equator

your answer is d hope this helps

Question:

Which line is highlighted in the middle of the map above?

D. Equator

Hope this helps!

answer; they use longitude and latitude and   global grid system; good luck

the climate of each region is different from one another.