there were two technological innovations that profoundly changed daily life in the 19th century: steam power and electricity. The railroad helped expand the U.S.. The telegraph, the telephone, and the typewriter brought people together that were far away.
Answer:
Fossil documents the existence of now extinct species, showing the different organism have lived on earth during different periods of the planet's history. They can also help scientists reconstruct the evolutionary histories of present-day species.
The answer is Scotch-Irish
Answer:should be the first answer, answer A
Explanation:
