Postings without closing dates are often positions that are difficult to fill or ones that come open frequently. An example of a position that is difficult to fill is a psychologist at a small-town state hospital. If the hospital left the job open for a month, it is unlikely to get a sufficient number of applicants.
The Disadvantages of Tidal Power Tidal power is growing rapidly in interest as countries look for ways to generate electricity without relying on fossil fuels. Tidal schemes have a number of advantages, including their lack of greenhouse gas emissions and 100% renewable nature.
Tidal Energy has many advantages and disadvantages with the cons of massive investments and long gestation time winning over the many pros of Tidal Power. Note Tidal Energy is a favorite for scientists and has been for a long time due to the almost limitless potential.idal Energy like all other forms of Energy suffers from both advantages and disadvantages. The Tidal Energy phase of development has made the Cons outweigh the Pros unlike other Renewable Energy forms like Wind and Solar Energy.