How does the author's discussion of Demi Guo contribute to the development of ideas in the text (Paragraphs 11-15) ? A It emphasizes one girl's experience pursuing a math-related caree and her insight on the gender gap.
B provides readers with insight about why girls feel discouraged from pursuing math- related cared C It stresses all that girls have to gain from taking part in math competitions and pursuing math -related careers.
D it emphasizes how the girls who compete in the EGMO are more likely to succeed in math-related careers.

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)

Hi how are i have some questions about english subject can you answer for me ?

Do not use this medicine with milk, cheese, or other dairy products. what end punctuation needs to be added to the above bolded word?