Which physical characteristics have played a role in the region's environmental problems? choose all that apply. abundant precipitation arid climate fertile soils oil resources

Amountain created from tectonic activity would be considered which type of landform ? a) primary landform b) secondary landform

:calculate the sum of the interior angles of a 13-sided polygon.

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.