At which point on the diagram do convection currents occur to drive plate movement?

These factors hinder environmental protection efforts in eastern europe.

What is the general rule about surface currents? cold water flows along the ocean floor towards the equator. the east coasts of continents have cold surface currents, and the west coasts of continents have warm surface currents. seasonal and constant offshore winds create significant upwelling along the west coasts of south and north america and africa. the west coasts of continents have cold surface currents, and the east coasts of continents have warm surface currents.

This word for a bug or malfunction was popularized in the 1962 book into orbit by the mercury astronauts