Question

which piece of text uses this definition of promotion?
promotion (noun) support or encouragement

congratulations to laura on her promotion! she will now be managing the
company’s entire northwestern sales division, and i’m sure she is up to the
challenge.

the fitness center is running a special promotion: the first month of
membership is free for new members if they sign up with a friend.

reggie enjoys his position as the promotions manager for southbury concert
hall. his advertising strategies have led to increased ticket sales over the past
year.

naomi works for an organization that is dedicated to the promotion of math
and science education for girls. she runs a summer camp that teaches girls
about chemistry and engineering.

Explanation:

1. Analyze the first text: Laura's "promotion" here means a job advancement, not "support/encouragement".
2. Analyze the second text: The fitness center's "promotion" is a marketing offer (like a deal), not "support/encouragement".
3. Analyze the third text: Reggie's "promotions" relate to advertising/marketing for ticket sales, not "support/encouragement".
4. Analyze the fourth text: The organization is dedicated to the "promotion" (support/encouragement) of math and science education for girls, which matches the definition.

Answer:

Naomi works for an organization that is dedicated to the promotion of math and science education for girls. She runs a summer camp that teaches girls about chemistry and engineering.