Issues related to the heavy consumption of fossil fuels namely coal and oil have necessitated development of renewable energy sources as alternatives.Solar photovoltaic (PV) modules are one of the most attractive options for electricity generation by use of solar energy as the most abundant renewable energy source.One of the main disadvantages Girl
Practical work and textbooks have an important role in primary science education.This study analyses the complexity of practical work in Portuguese primary science textbooks.The level of complexity was appreciated by the level of conceptual demand of practical work, as given by the type of practical work, the complexity of scientific knowledge, the
Dengue fever is a common and important arboviral infection prevalent in tropical countries, contributing to significant morbidity and mortality.The clinical spectrum of dengue Charger fever ranges from simple febrile illness to life-threatening complications such as dengue hemorrhagic fever and dengue shock syndrome.Among the many unusual Accessori