Things to do: answer the following questions by referring to figure 1.37 find the approximate RF of the map

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?

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.

Based on the information in the graph, what can you conclude about humans in the world in general?