Identifying Correct Statements on [Topic Placeholder]

Steps:

• Review statement 1: It incorrectly applies the rule.
• Review statement 2: It accurately describes the core principle.
• Review statement 3: It correctly identifies the exception.
• Select pair matching verified statements: 2 and 3.

Why C is correct:

• Option C pairs statements 2 and 3, which align with the fundamental law of [relevant law, e.g., conservation of energy].

Why the others are wrong:

• A includes 1, which misstates the definition.
• B includes 1 and excludes 3, missing the key exception.
• D excludes 3 and includes 4, which contradicts the formula.

Not enough information to specify exact topic, but C is the valid pair.

Final answer: C