What is the slope of the line that passes through the points (-5,4)and (-15,-4)

How do convection currents form underwater mountains?

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.

Name one type of data that h-r diagrams do not show.