1. how can you explain the difference in the importance of the ions sodium (na+) and (cl-) in seawater as compared to river water?
2. why do you think the bicarbonate (hco3-) ion is so far down the list of ion abundance in seawater?

The map above shows where people live in the united states. areas that are darker blue are areas where people live close together. areas that are lighter colors are places where people live farther apart. as a geographer, if you were to study where people live and why they choose to live in these places, which of the six essential elements of geography would you be using?

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

I’m his published 95 theses, martin luther protested against? a-the selling of indulgences within the catholic church b-the belief in predestination c-the worshipping of statues of saints d- the catholic church focus on faith as the sole means of salvation