Day: 12 February 2019

Introduction Renal failure is also known as kidney failure. Kidneys are the organs that help filter waste products from the…

Introduction Chicago Tribune (2013), dietitians are experts in food and nutrition (“dietetics”). They advise people on what to eat in…

Introduction The world health organization (WHO), (2001), Defines disaster as an event that occurs when significant numbers of people are…

Introduction Globally, over 600million people particularly in developing countries were affected by iron deficiency. Iron deficiency is the most common…

Introduction Sterilization is a term referring to any process that eliminates (removes) or kills all form of life, including transmissible…

Definition of total internal reflection Total internal reflection is the complete reflection of a light ray travelling from a dense…

Introduction / definition According to Efe (2012) transposition as the process of changing a lens prescription from one form to…

Introduction A tsunami is a series of large waves generated by an abrupt movement on the ocean floor that is…

Introduction Urbanization is the population shift from rural to urban areas setting, “the gradual increase in the proportion of people…

Introduction Varilux lens are lenses that combine your distance, intermediate and near segment into one lens without the lines in…

Introduction White blood cells (WBC), also called Leukocytes or Leucocytes’ are cells of the immune system that are involved in…

Introduction Soil erosion is the displacement of the upper layer of soil, one form of soil degradation. A low level…