Olivia is entering a competition to build a device that automatically feeds fish every day. The device should not contain any materials
that may be toxic to fish.
Is this a criterion or a constraint?

did you fail the test? xd

a. to encourage apoptosis

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.