N2011, the world’s population approached a. ten billion b. seven billion c. two billion d. one billion

The continental divide a divides the united states into east and west b. divides the united states into north and south c. divides the flow of river systems in the united states into east and west d. is a series of rivers and mountains that separates canada from the united states select the best answer from the choices provided.

Scientist believe that earths core is around 6000°c where does this heat come from

Why does sweden and norway have steep roofs