Each hemisphere of Earth has convection cells. These cells each cover about 30 degrees of latitude with air rising at the equator and at degrees latitude and sinking at the poles and at 30 degrees of latitude.

What does this grave marker reveal about roman society

What is the hottest recorded temperature on earth

In an effort to japan recover from the devastating effects of the 1929 depression, japanese military leaders in the 1930s formed an alliance with nazi germany negotiated more trade treaties with the soviet union closed its doors to western trade adopted a policy of imperialist expansion