What are you asking for again ??
A theory is an interrelated, coherent set of ideas that helps to explain phenomena and make predictions.
<h3>What is theory?</h3>
Theory consist of various ideas that are related.
It is often used to explain a process, phenomena or an idea situation.
Theories are postulated by scientists for various observations and reasoning.
They are principles that explain a group of facts and it is used to explain things or happenings.
Therefore, A theory is an interrelated, coherent set of ideas that helps to explain phenomena and make predictions.
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If I'm not mistaking i think it was 40 yrs
Answer:
30 to 60 if thats not an option then what are the options?
Explanation:
