Which of these sentences gives the best description of the american identity?

america is a melting pot of people of diverse ethnicities who share the common american dream.

the american identity is often reflected in american literature, which shows the many different perspectives that exist in the united states.

as the nation's identity has grown and changed over time, that growth and change is reflected in american literature.

Asentence teacher gives the following speech. prepare a brief speech to accompany your science project. the speech will be presented to a faculty panel selected as judges. include a summary of your hypothesis, methods, and results. provide an explanation of any pictures or charts one of your poster. also share any complications you encountered during the science fair process. who is the intended audience for the teachers speech? a. young students. b. peers at the science fair. c. teacher evaluators. d. science professionals