Which feature on this figure is formed by melting of mantle above the slab? 
Definitions:
Programmed Decisions
Decisions that are routine and repetitive, often made using standard methodologies or procedures.
Rational Decision Model
A decision-making process that involves logical and systematic steps based on objective data and analysis rather than intuition or emotion.
Decision-Making
The process of making choices by identifying a decision, gathering information, assessing alternatives, and arriving at a conclusion.
Basic Steps
Fundamental phases or actions that are essential in initiating or completing a process or procedure.
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