Why Has Polio Been Eradicated in the U

question 6

Essay

Why has polio been eradicated in the U.S. but is still present in developing nations, including Afghanistan and Pakistan?

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Definitions:

Decompression Melting

The process by which melting occurs in the mantle due to a decrease in pressure as hot mantle rocks rise closer to the Earth's surface.

Oceanic Setting

Describes the environmental and geological characteristics of the ocean regions, including the deep sea, oceanic crust, and the ecosystems within.

Locations Shown

Specific places or areas that are indicated or displayed on a map or chart.

Hot Spots

Plumes of hot mantle rising to the Earth's surface, often fixed beneath a tectonic plate, which create volcanic islands and seamounts as the plate moves overhead.