Which sentence would be the best introduction to the essay? А.
Online classes offer students the opportunity to take classes on the computer, which is a benefit for many
students
B.
Social interaction with one's peers is the most important aspect of school, and teachers should focus on
developing this in the classroom
C.
Online classes promise to be an effective method of teaching and learning, but they have flaws that don't
exist in a regular classroom.
D.
High school students are using online classes to retake classes while elementary and middle school
students use online classes for home schooling

racism is the belief in the superiority of one race over another, which often results in discrimination and prejudice towards people based on their race or ethnicity. the use of the term "racism" does not easily fall under a single definition.

explanation:

im not to sure

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).

a lot to the other person they me out big