What did Tobias bring back from Fort Pierce that got Emma so excited?

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

Read this excerpt from lorraine hansberry's a raisin in the sun: based on the character description, what can the reader infer about travis? a. he is organized and has an established morning routine. b. he has inherited his good looks from his mother, not his father. c. he doesn't like having to share a bathroom with other families. d. he is a little boy of about 10 or 11.

Which important event occurred during the industrial and scientific revolutions