The River, which drains into the Caspian Sea, is the longest river in Europe. Volga

Yenisei

Ob

Lena

The earth's internal process which drives seafloor spreading is

Plzz on what physical process is responsible for the creation of volcanoes, earthquakes and ocean trenches at the plate margins?

Effective charts and graphs include all of the following except 1. simple, meaningful, attractive design 2. accurate information 3.at least five different colors 5.clear presentation of information