Read the following text and answer question.

Importance of Aquaculture 

Aquaculture involves the art, science and business of breeding aquatic animals and plants in fresh or marine waters for human use. It also extends to the marketing of such organisms in a controlled environment. It is a kind of agriculture, and therefore, it requires inputs such as clean water and nutrients. It also requires storage for harvested produce, transportation and marketing facilities.

Inputs often depend on the species that are farmed. Species lower on the aquatic food chain usually require less input, as they feed on microorganisms and are fine in just clean water. More inputs like fish or fishmeal, cereals, or grains are required, as we get higher on the food chain with species like salmon or tuna.

All over the world, the demand for seafood has increased because people have learned that seafood as part of regular diets are healthier and help fight cardiovascular disease, cancer, Alzheimer’s and many other major illnesses.

Aquaculture will add to wild seafood, and make it _______ and accessible to all.

Aquaculture business provides tax and royalty revenue to local governments. Besides, there is also potential revenue from exports. 

(Adapted from: https://goo.gl/qcbcfY. Access: 01/25/2018)