Answer:
Aquaculture can be profitable if the fish farmer has the right natural resources, good management abilities and sufficient capital available for investment in the enterprise. ... Fish farming and associated industries have expanded through the 1980's and 90's. Expansion has slowed somewhat, however, growth continues.
If you have any answer choices, I could be more helpful.
Answer:
B. . exotic= ephemeral
Explanation:
An organism is considered as 'Exotic' if the organisms exist in an environment outside of their natural habitat (for examples, polar bear that is imported to a zoo in california.)
Ephemeral organisms on the other hand, exist naturally on ecosystem such as wetlands or lake. These organism do not exist all year long, but they did not live outside their natural habitat.
Explained
Learned helplessness is a psychological disorder. It occurs when a person feel stressful situation repeatedly. In this situation they believe that they are not able to work and move. So that they do not try to escape or take action against the situation.
The opportunities become changed according to the situation. Martin Saligman explained about learned helplessness. Learned helplessness leads to the psychological disorder such as stress and depression. It is also included mental disorder such as PTSD.
