Directions: Read the following passage and answer the question that follows.

Our hair is exposed to a lot of pollution, climatic conditions, etc. Therefore, caring is a must for hair. Experts say you are what you eat. A balanced diet of protein, vitamins and minerals is the best way to get all the nutrients needed for a healthy body, skin and hair. Omega-3 and Omega-6 improve hair texture, while lack of these will cause dandruff and dull hair. Nuts, seeds, olive oil and avocados are rich in fatty acids. Eating enough of oily fish like salmon, sardines or mackerel, or taking fish oil supplements, because it helps on all sorts of levels as what goes inside your body directly affects how your hair grows.

Healthy is a/an