Which best describes the northern european plain? a. an area of soft rolling hills and flat valleys b. an area of plateaus and dry basins c. an area of low plateaus and high mountains d. an area of relatively flat and low-lying land

According to the united nations refugee agency, more than 2/3 of the world's refugees come from just five countries. which country is not on that list? a) turkey b) myanmar c) afghanistan d) south sudan

:calculate the sum of the interior angles of a 13-sided polygon.

17. the soil erosion pictured here is the result of what? a. harvesting renewable resources at a rate greater than the sustainable yield b. a mudslide caused by excessive rains c. harvesting renewable resources at a rate lower than the sustainable yield d. the transition between geologic eras and eons