This should be under mathematics not geography.
Answer:
this is my answer hopes it helps you out
Explanation:
i choose A the atmosphere
Great lakes were formed from glaciers and slowly melted creating higher water levels creating more vegetation and economic growth.
Russia, Kazakhstan, Turkmenistan, Iran and Azerbaijan all border the Caspian Sea.
First used in 1821, the Santa Fe Trail was an important trade route that connected Missouri with Mexico.
