What is the most likely cause of the geological features in this mid-ocean ridge?
a. colliding plates in the lithosphere.
b. sinking iron and magnesium in the lithosphere.
c. cooler temperatures in the mantle.
d. rising convection currents in the mantle.

The layers of earth are based on what two sets of characteristics?

How can minerals crystallize from materials dissolved in water? check all that apply.

Which statement is an accurate description of life in mongolia in recent years? the majority of the population now lives in cities. after a brief period of democracy, communists regained control of the government. subsistence farming remains the primary economic activity in the country. relations between mongolia and china are now tense. -gradpoint