What are the four collision zones on earth? NOT SUBDUCTION ZONES IK THOSE

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies?

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.

What is an additional type of erosion found at the coast? what does it mean?