Question

the following are examples of scientific investigation except testing, ask a question, conclusion, observation

Explanation:

Scientific investigation typically involves steps like observation, asking a question, testing, and drawing a conclusion. All options given are part of the scientific - investigation process except there is no non - relevant option here to exclude. However, if we assume we need to pick one that is not a typical starting point in a strict sense, conclusion is the last step in the process and not an initial part of the investigation like the others.

Answer:

Conclusion