Which of the Following Best Describes Melting of the Mantle

question 57

Multiple Choice

Which of the following best describes melting of the mantle at subduction zones that leads to island arc volcanoes?

• A) The subducted plate subsides into the mantle and allows magma from the lower mantle magma ocean to rise toward the surface.
• B) Water released from the subducting plate decreases the melting temperature in the mantle above the downgoing plate to generate magmas from the overlying mantle wedge.
• C) The subducting plate is cooled as it is carried to depth and the subducted oceanic crust melts.
• D) Heat is carried downward with the subducting plate and melts the mantle above the downgoing plate.

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Definitions:

Piaget

Refers to Jean Piaget, a Swiss psychologist known for his pioneering work in child development and cognitive psychology.

Vygotsky

A Soviet psychologist known for his theory on social development, emphasizing the significance of social interaction in cognitive development.

Developmentally Appropriate

Activities or educational practices that are suited to the age, individual needs, and developmental stage of children.

Toddler

A young child, typically between the ages of one and three years old, who is in the developmental stage of learning to walk, talk, and acquire basic skills.