Farming and fishing are ways of harvesting the oceans a. sodium chloride b. oil and natural gas c. living resources d. nonrenewable resources

C. Living resources

Explanation:

Farming and fishing requires aquaculture of a diversity of sea animals which is capable enough to commercially provide a huge economical benefit by selling these animals as a source of food, using fish oil for medicines, using coral reef in preparation of medicines and other for meeting the requirement of other useful needs.  

On the basis of the above explanation,  this can be said that Farming and fishing are ways of harvesting the oceans for the living resources.