Geometry

Question Analysis:
This question involves identifying whether the reasoning is deductive or inductive.
The main focus is on recognizing the structure of the argument.

Key Concept Explanation:
Deductive Reasoning starts with a general rule and applies it to a specific case to reach a logical conclusion.
Inductive Reasoning starts with specific observations and makes a generalization that is probable but not certain.

Step-by-Step Solution:
The statement begins with a general rule: "All mammals have lungs."
It applies this rule to a specific case: "A whale is a mammal."
It concludes: "Therefore, a whale has lungs."
This is a classic example of deductive reasoning because the conclusion is logically certain based on the premises.

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