Educate is the root word of educator and it means to teach, make understand, explain and get people to understand and use whatever they are taught in a near future
something in the sentence that belongs to those people or things.
The answer is a.) sound.
Because every homeroom has more girls than boys ,it makes sense that there are more girls than boys in the school.
Allusion;Why, 35 years ago, fly the Atlantic?; Alludes to Charles Lindbergh flying from New York to Paris.