What is the elevation of point F if it is between mountains

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.

What first caused people to consider that the continents were once one large landmass?

What was apartheid and how did it restrict the rights of non-whites?