Natural Resource Definition Analysis

The question asks for the appropriate definition of a natural resource.

Evaluating Options for Natural Resource Definition

Let's analyze each option:

• Option 1: A natural resource is available only on land. This is incorrect. Natural resources include water, air, and minerals found beneath the land or in water bodies.
• Option 2: A natural resource is a man-made commodity. This is incorrect. Natural resources originate from nature, not from human creation.
• Option 3: A natural resource is available only in forests. This is incorrect. Natural resources are found in diverse environments like oceans, deserts, the atmosphere, and underground, not exclusively in forests.
• Option 4: A natural resource is a gift of nature that is useful for mankind. This is the correct definition. It accurately describes a natural resource as something provided by nature (a 'gift of nature') and acknowledges its value and utility ('useful for mankind').

Conclusion on Natural Resource Definition

Based on the analysis, the most appropriate definition highlights that a natural resource is a gift of nature that proves useful for mankind.