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.
Advantages of Wind Power. 1  Wind energy is a clean fuel source. 2  Wind power does not use water, unlike conventional electricity sources. 3  Wind is a domestic source of energy.  Wind power is 1  inexhaustible. Wind power is cost-effective.  Wind turbines can be built on existing farms or 1  ranches. Wind creates  jobs.