This East Asian landlocked country suffers from limited natural resources and a small population. which limits economic prosperity. A. North Korea B. South Korea C. China D. Mongolia

Answer:

Yes, The oceanic crust is more dense but thinner than the continental crust,

Explanation:

• As the continental crust is  35-40 km, more thicker than that of the oceanic crust and it accounts for a mean surface elevation of three miles. Hence the continental crust is lighter than the oceanic crust and thus the less dense crust floats or stays at the top but the thickness of the oceanic crust is 7 to 10 km.

• As the surface crust is a layer of the granitic and the sedimentary and metamorphic rocks and about 40% of the earth's surface is formed by this plate or continental crust and rest 60% is by the oceanic crust which is made of basalt. Both are less dense than the mantel.

Answer:

e. All convergent plate boundaries are subduction zones

Explanation:

• It's well known that any place either on land or ocean when is subdued into the earth's mantle is formed by a subduction zone where the plate boundaries collide either oceanic or continental boundaries this collision can result from the earthquake and volcanic eruptions.

• These collisions thus lead to the creation of mountains and volcanoes at greater altitudes as the place gets elevated and as a result of the slab push and pull as many earthquakes generally occur in this shallow zone also named as the Benioff zone.

• Plates dip here at an angle of 45 degrees and thus form these internal subduction zones that lead to lithospheric density differentiation

Final answer:

The statements that are true are: All subduction zones involve the interaction of oceanic and continental crust, all subduction zones occur at convergent plate boundaries, and some divergent boundaries are also convergent boundaries.

Explanation:

b. All subduction zones involve the interaction of oceanic and continental crust.

c. All subduction zones occur at convergent plate boundaries.

d. Some divergent boundaries are also convergent boundaries.

Learn more about Plate Boundaries here:

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Answer:

Oil reserves

Explanation:

• The Russian have a great reserve of oil that is exposed to more than 5.2 billion barrels per day.  And this crude oil is then exported to countries like Europe and it reports about 70% of the liquid produced in the world.

• The countries include the Netherlands and Germany, Poland and the Finland and the other European nations that are in the category of non-OECD like Belarus and the Lithuania. Most of this oil is sea-bound and is through the states owned pipelines system.