Tidal energy, also known as tidal power, is a renewable source of energy and a form of hydropower used to generate electricity from the energy of the tides. Though not currently widely utilised, due to high costs and limited availability, it can be called the energy resource of the future given the current rate of depletion of energy resources.
Certain types of methodology are more suitable for some research projects than others. For example, the use of questionnaires and surveys is more suitable for quantitative research whereas interviews and focus groups are more often used for qualitative research purposes.
Most countries are affected by labour migration. In many rural places, the traditional extended family has been undermined by the need for family members to migrate to towns as an economic necessity. Migration, therefore, presents a major challenge everywhere to social and economic policy.
One of the major factors influencing future home design will be the probable change in climate, with hotter summers, colder winters. and the possibility of floods. Consequently, houses will be built with better insulation and will also need ways of keeping cool in hot weather, whether that's air conditioning or more shading of windows.
Until fairly recent times, the origin of birds was one of evolution's great mysteries. This is no longer the case. Fossil evidence from China now conclusively proves that there is an evolutionary link between birds and several types of extinct prehistoric reptiles which lived millions of years ago, or in other words, dinosaurs.
Group work is valuable because Of the opportunities it provides for students to develop collaboration and communication skills. As an assessment task, it has the potential to pose difficulties in relation to appropriate acknowledgement of authorship of individual group members. These difficulties can be minimised by ensuring that the task is well designed, with the roles of individuals effectively identified.
