How could access to water affect where humans decide to make a settlement?

It is reasonable to assume that nations with a low total fertility rate (tfr) and a modest amount of population growth are in

What structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.