Solution:5R is a basic fundamental responsibility of human being to preserve nature for future and to achieve sustainable development. They are as follows:• Refuse: refuse what you don't need.
• Reduce what you do need.
• Reuse, extend the useful life of the product.
• Repurpose to leave behind the unusable iteams and see what you can come up with to ensure they can still be effectively used.
• Recycle what you cannot refuse, reduce, or reuse.