Answer: a.Hypotheses always become theories after a study is complete.
Explanation:
Hypothesis is a statement or group of statements which predicts the cause of an event or phenomena. This is based on the observation. This is required to be proved with the help of a scientific methodology.
When the hypothesis get proved using the scientific methodology, it becomes the part of scientific theory.
A scientific theory is the explanation of the cause of the event or the phenomena. This is supported by the evidences that are obtained by the experimentation procedures.
factory farming is a major contributing to water and air pollution as well as deforestation
<span>The human body is composed of elements of nature and of different density: fat, bone, protein, water. In a healthy person, these are kept in constant proportions whatever <span>the environment.</span></span>
