What Is the Shape of the Boundary Between the Two

question 59

Multiple Choice

What is the shape of the boundary between the two air masses that interact at a cold front? ​

• A)a shallowly inclined surface
• B)a vertical wall
• C)a mixing zone within a spherical bubble
• D)every cold front is different
• E)a steeply sloping surface

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Definitions:

Oceanic Crust

The part of the Earth's crust that underlies the ocean basins, generally thinner and more dense than continental crust, formed at mid-ocean ridges and recycled into the mantle at subduction zones.

Sheeted Dikes

A geological formation consisting of numerous parallel dikes formed when magma intrudes into a crack then solidifies.

Subduction-derived Magma

Magma that is formed by the melting of subducted oceanic crust beneath a continental plate.

Belts of Volcanoes

Regions characterized by the alignment of multiple volcanoes, often situated along the boundaries of tectonic plates where volcanic activity is concentrated.