What are three things that exist because of science ?

In figure 4 of the telephone components what do the labels lettered a to e

Romeo and juliet have fallen in love, even though their families despise one another. based on the excerpt, what are the two main purposes of this prologue?

Summarize in 3-5 complete sentences the conditions of life on the reservation as depicted by chief red cloud’s speech. cite evidence from the text to support your answer.