How does recycling materials contribute to reducing energy use?

The correct option is It often uses less energy than extracting and processing raw materials.. This answer is correct because it matches the approved learning objective to explain how reducing use, reusing products and recycling materials can reduce energy use, waste and environmental impact in the subtopic Ways of reducing the use of resources.

The correct option is It often uses less energy than extracting and processing raw materials.. It often uses less energy than extracting and processing raw materials. is correct because it directly supports the approved learning objective to explain how reducing use, reusing products and recycling materials can reduce energy use, waste and environmental impact. This belongs to the subtopic Ways of reducing the use of resources within Life cycle assessment and recycling, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Ways of reducing the use of resources.