Dont know if i am right

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

Which is the most likely reason the writer of the play pygmalion chose to change the character of galatea from a statue to working-class woman?