Which scientist developed a theory that describes how light ineracts with gravity

Which best describes the scientific process

Last week i was assigned a thematic. we have groups of three but the people i was assigned with haven't been in school for days. i would appreciate if anyone can me with my thematic . i highlighted most of the important steps and i circled my thematic topic. in desperate need : ( its due on february 19

Stephen is a student who wants to test his knowledge of medical terminology. which option could he use?