In wich situation wil mutation not presist or spread in population/

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Name the two stages involved in protein synthesis and explain what occurs in each of the two stages. be sure to also indicate where each process takes place. plz don't give one sentence answers : d