Leopold Matrix Assertion Analysis

Assertion (A): Leopold matrix can be expanded or contracted.

This statement is true. The Leopold matrix is designed to be flexible. Its scope and detail can be adjusted by modifying the number of rows (environmental components) or columns (actions/activities) to match the specific requirements and scale of different environmental impact assessments.

Leopold Matrix Reason Analysis

Reason (R): Leopold matrix is a checklist designed to show possible interactions between developmental activities and set of environmental characteristics.

This statement is true. This accurately defines the core purpose of the Leopold matrix. It serves as a systematic tool to identify and record potential impacts by cross-referencing proposed actions with various environmental factors.

Assertion and Reason Relationship

The question asks if Reason (R) correctly explains Assertion (A).

• The Leopold matrix functions as a detailed checklist to document interactions between actions and environmental components (R).
• To effectively serve this purpose across diverse projects, the matrix must be adaptable. This adaptability is demonstrated by its ability to be expanded for complex scenarios or contracted for simpler ones (A).
• Therefore, the function described in (R) necessitates and logically leads to the flexibility described in (A). The matrix's role as a versatile interaction checklist explains why it needs to be expandable or contractible.

Conclusion

Both Assertion (A) and Reason (R) are factually correct statements about the Leopold matrix. Furthermore, the reason (R) provides a valid explanation for the assertion (A), as the matrix's nature as an interaction checklist drives its need for flexibility.