Answer:
The Equator, or line of 0 degrees latitude, divides the Earth into the Northern and Southern hemispheres. ... The prime meridian, or 0 degrees longitude, and the International Date Line, 180 degrees longitude, divide the Earth into Eastern and Western hemispheres.
the atmosphere is the closest layer to the earth and it is made up of is made up of 78% nitrogen, 21% oxygen, and smaller amounts of argon, carbon dioxide, helium, and neon.
Answer:
c: their explorations contributed to understanding north american geography
Explanation:
To keep up with what is happening and what happened
