Chemical combination occurs according to some law. They are five in number, It would be desirable to explain various terms which are frequently referred to in Chemistry such as, Theory, Hypothesis, law along with the term, fact.
Theory is that when a Hypothesis has been tested as far as possible and is not found wanting.
Theory is…
Three kingdom classification was given by Haeckel in his theory.
Three kingdom taxonomy was given by Haeckel in his theory.
What is Theory?
What is Theory?
Which classification was given by Haeckel in the his theory?
Which taxonomy was given by Haeckel in the his theory?