Answer:
Mantle convection is a process of <u>which less dense material rises and more dense material </u><u>sinks</u><u> </u>that creates ccircular currents in the adthenosphere. As a result, the <u>tectonic</u><u> </u>
plates slowly move.
B rift valley
Explanation:
Divergent boundaries within continents initially produce rifts, which eventually become rift valleys. Most active divergent plate boundaries occur between oceanic plates and exist as mid-oceanic ridges.
That statement is true
Brain drain phenomenon happened when talented and educated individuals decided to migrate into another country in search of new career opportunities.
since they're searching for new career opportunities, Small Island and unstable nations are the least likely destination for their journey.
Answer: intergovernmental organization whose purpose is to maintain international peace and security, develop friendly relations among nations, achieve international cooperation, and be a centre for harmonizing the actions of nations. It is the world's largest and most familiar international organization.
Explanation:
Answer:
The correct answer is D. 4,2,3,1
Explanation:
Shale is metamorphosed into three rock types( phyllite, schist and gneissic) a dull slate with cleavage, a rock with small mica crystals with a shiny aspect, a very shiny rock with large mica crystals and a banded gneissic rock.
Shales that are subject to heat and pressure of metamorphism alter into a hard, fissile, metamorphic rock known as slate. When metamorphic grade is continually increased the sequence is phyllite, then schist and finally gneiss.