Concept:Packaging refers to providing a cover or wrapper for goods.
Explanation:Goods are kept in boxes, bags, bottles, or wrappers to protect them from damage, dirt, and spoilage.
This outer cover also makes storage, handling, and transportation easier.
Look at the other options: blending is mixing products, branding is giving a name or logo, and grading is sorting goods by quality.
None of these describe the act of covering goods.
Providing cover for goods is therefore known as packaging.
Answer:D. packaging