Three times the sum of a number and 23 is at most -28

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?

Which country has the largest salt flats in the world

Explain why ocean water levels do not change very much, even though precipitation happens so often.