In which area does clean drinking water present the biggest problem? cities in LDCs polar regions tropical regions urban areas in MDCs

Why does a thermocline form in the ocean?

How many symbols for capital cities are there on a map of the united states?

What would happen to the rock cycle if erosion did not ocxcur

More evaporation means which of the following? A. less salinity and less density B. more salinity and less density C. less salinity and more density D. more salinity and more density

What feature is located at a? a. rocky mountains b. appalachian mountains c. andes mountains d. ural mountains?

Which of the following terms describes a family structure headed by a woman?

Which of these is a renewable resource? a. coal b. cotton c. copper d. petroleum

What are the classifications for the six major land areas on earth?

Which of the following European countries is one of the top three leading exporters in the world? A) United Kingdom B) Germany C) Spain D) France

Fault lines are: the crust of the lithosphere that has fractured along plate boundaries and ridges the crust of the athenosphere that has fractured along plate boundaries and ridges the crust of the biosphere that has fractured along plate