What benefits does this type of farming have?

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

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?

How does the bare soil surface type affect the amount of runoff