In point source pollution, the pollutants come from a ___ easily identifiable source.

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.

According ti the following map, what are the most common mineral resources found in the united states?

In the diagram below, ab and bc are tangent to o. what is the measure of