Explain what is the meaning of the flag of philipine

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.

Which of the following statements about wearher along mountain ranges is correct

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