they conduct a literature review before formulating any hypothesis. carrying out a literature review involves utilizing research databases to look for research materials that cover or are related to a certain topic of interest. the scope of the study and subject matter will influence the selection of research materials. information in these material play a crucial role when scientist are formulating hypothesis.
Answer:
Mutations happen in our cells all the time. It's actually how all humans grow and change. The vast majority of mutations are harmless. Thus, they aren't avoidable.
The answer is d/ the fourth one
