Question

click on the phrase in the sentence that has the most positive connotation.
her lifes work combines scientific discovery with passionate advocacy, showing that one person can make a global difference.

Explanation:

To determine the phrase with the most positive connotation, we analyze each phrase: "scientific discovery" is positive but "make a global difference" implies a significant, far - reaching positive impact on the world, which is highly positive. "passionate advocacy" is positive too, but "make a global difference" conveys a broader and more impactful positive meaning.

Answer:

make a global difference