Question

The three main types of scientific investigations are descriptive, comparative, and experimental. Which components are included in all three types of investigations?

a scientific question
an independent variable

a dependent variable

a procedure

a control group

a conclusion

Answer 1

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

Step-by-step explanation:

The scientific investigation is performed to answer, understand and explain the natural events or phenomenon. The scientific investigation is performed through one of the types of scientific investigation that is descriptive, comparative, and experimental.

The common components of all types of investigation are :

1. Scientific question: the question is asked on the basis of observation made which could be answered.

2. Procedure: the sequential steps are followed to answer and test the scientific question.

3. Conclusion: the main aim of the investigation is the conclusion or inference to the scientific question which is an explanation of the question.