Cradle to Cradle, Chapter 4: Waste Equals Food

1. Please define in your own words the terms biological nutrients,  technical nutrients, monstrous hybrids.

Biological nutrients are mean food for natural systems.

Technical nutrients are mean food for industrial systems.

Monstrous hybrids are mean combines both technical and organic nutrients that cannot be easily separated and rendering it unable to be recycled or reused Most monstrous hybrids can only be thrown out and are wasted.


2. What are some examples of unmarketable materials?

Any kind of materials are cannot be decomposable or it takes a long time to decompose. Like plastic or garbage clothes.


3. What is the main difference between the Cradle-to-Grave and Cradle-to-Cradle life cycles?

The cradle-to-grave products were typically can not be recycled after use which resulted in a lower value product. The Cradle-to-Cradle products and systems can taking-back products at the end of its useful life and turning it into new products.

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