Light travels at the speed of
a) over 5 billion km.
b) 5 million km.
c) over 1 billion km.
d) 15 million km

Most of earths fresh surface water is found in

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 feature of a map shows the relationship between a distance on a map and that distance on earth? key scale grid system compass rose