The Plastic Layer in the Mantle from About 70 to 250

question 99

Multiple Choice

The plastic layer in the mantle from about 70 to 250 km (43 to 155 mi. ) in depth is known as the

• A)asthenosphere.
• B)lithosphere.
• C)Moho.
• D)Gutenberg discontinuity.
• E)plastic layer.

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Definitions:

Ecological Systems Theory

A theory focusing on the organization and interactions of the multiple environmental contexts within which children develop.

Microsystem

The immediate environments in which an individual interacts directly, such as family, school, and peer group, part of Bronfenbrenner's ecological systems theory.

Mesosystem

A concept in ecological systems theory referring to the interconnections between the microsystems or immediate environments in a person's life.

Social Policy

Guidelines and interventions designed to address public issues and promote social welfare.