The three main types of scientific investigation are descriptive, comparative ,experimental . wich components are included in all three types of investigation?

The correct answer will be options- a scientific question, a procedure and a conclusion.

Explanation:

The scientific investigations can be done through three ways: descriptive, comparative and experimental investigations.  

The scientific components that are common to all the types of investigations are:

1. Asking a scientific question which could have real answers which can be verified

2. A sequential procedure followed to understand, explain and test the scientific question

3. Conclusion- the inference drawn from the sequential procedure which acts as an answer to the scientific question.

Thus, the selected options are the correct answer.

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answer: node would be introduced.   is the correct

explanation: