Some possible contributing factors cannot always be ruled out but should be acknowledged by the researchers. The main emphasis of quantitative research is on deductive reasoning which tends to move from the general to the specific. This is sometimes referred to as a top down approach.
Water has been important for people for thousands of years. Without water there would be no life on earth. We use water in our houses for cooking, bathing and washing the dishes. Water is used to grow food. In many dry areas farmers must bring water to the fields through canals and expensive irrigation systems .
Free oxygen in the atmosphere is important to the development and  maintenance of life on Earth because oxygen is what organisms need  to function.This allows them to carry â¦ on their life.xygen (in the form of O2) is needed for almost all life because it is used in the process of cellular respiration in which cells react oxygen with glucose to form water carbo â¦ n dioxide and heat.