Question

which event in paragraph 3 shaped maries legacy? presenting findings to the staff of columbia university for approval enrolling as the first african american to pursue a doctoral program meeting with the famed researcher dr. mary l. caldwell to be mentored graduating as the first african american woman to earn a phd in chemistry

Explanation:

Graduating as the first African American woman to earn a PhD in chemistry is a significant achievement that would shape her legacy. It represents a milestone in academic and professional history, breaking barriers and setting an example for future generations. Presenting findings for approval is a common academic step but not as legacy - shaping as a groundbreaking graduation. Enrolling is an initial step, and meeting a mentor is important for personal development but not as impactful on a legacy as the final graduation accomplishment.

Answer:

graduating as the first African American woman to earn a PhD in chemistry