Which new transportation route was intended to stretch from the east coast to the mississippi river and was financed by the federal government? a. baltimore & ohio railroad b. massachusetts turnpike c. national road d. erie canal

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

The formation of the planet uranus is estimated to have occurred approximately when?

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.