Which of the following statements best describes the formation of volcanoes?
A.
At a transform plate boundary, the crusts slide against each other to form magma by frictional heat.
B.
At a convergent plate boundary, the oceanic crust is pulled beneath the continental crust, where magma forms and moves upward.
C.
At a divergent plate boundary, the pressure of seawater rushing into the oceanic crust rift creates a volcano.
D.
At a convergent plate boundary, the continental crust collides with another continental crust to form volcanoes.

The statement which best describes the formation of volcanoes is: B.  At a convergent plate boundary, the oceanic crust is pulled beneath the continental crust, where magma forms and moves upward.

A volcano can be defined as a mountain or hill that has a large circular or conical hole at the top through which volcanic ash, rock fragments, gases, dust, hot lava, steam etc., are expelled from the vent of a planetary-mass object, either at regular intervals or continuously.

A convergent plate boundary refers to a boundary where two (2) plates move towards each other, thereby, resulting in subduction or collision.

As a result of the oceanic crust being pulled beneath the continental crust at a convergent plate boundary, molten magma are formed and then moved upward as volcanoes.

In conclusion, the collision between two (2) plates as a result of subduction causes an oceanic crust to be forced underneath the mantle, thereby, forming volcanoes.

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B). At a convergent plate boundary, the oceanic crust is pulled beneath the continental crust, where magma forms and moves upward.

Explanation:

Volcano is described as the fissure in the crust of the earth through which the molten rock, lava, or hot gases are allowed to escape from this chamber. The second option most appropriately states that 'the oceanic crust is pulled beneath the continental crust at a convergent plate boundary where the formation of magma takes place and makes it to the surface(through eruption in the form of lava).' The process can have both the creative as well as destructive impacts as it brings a lot of useful minerals that makes the soil rich and fertile while on the other hand, the ash is fatal for the environment. Thus, option B is the correct answer.

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explanation:

the answer is d.) homologous; have mammary glands