I am pretty sure it is the trichromatic theory because all or nothing is about neurons, opponent process wouldn't be it, Rod and cone is about the light we take in the colour etc. I would go for trichromatic. not 100% though
The following president who only served one term was John Adams
<span>Tatiana's sister and brother-in-law visit "Paul" at the milles collines. because of the danger, they want to leave "Rwanda" and take "Tatiana" and the children with them. they feel paul is in no danger because he is a "Hutu", while they, tatiana, and the children are "Tutsi". paul says there is no danger as the "United Nations" and the "world press" are watching. later, paul is driving home and hears gunfire, shouting and glass breaking. buildings are burning. when he arrives, his family and "neighbors" are hiding in the dark. there are no "lights" on. they say there is a "rumor" that "President Habyarimana" has been "murdered", and "Tutsi rebels" have killed him. paul says this is "nonsense".</span>
Answer: difficulty in matching qualified workers with available jobs.
Explanation: structural unemployment is a result of skill gap. Technological advancement is the major reason for structural unemployment because it makes the skills of many workers out of date. Further education and training to meet up with latest technlogical trends is the solution to structural unemployment.
