Think about what you already know about ecosystems and organisms. How is the science fiction world you chose similar to Earth? How is the science fiction world different from Earth?

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations.

the use of electrical signals that transit messages is know as

the answer to your question is,

old stone age.

-mabel < 3

answer; identity theft;