Answer:
C: The telegraph.
Explanation:
The reason is simple. The Pony Express was, at the time, our equivalent of the U.S Postal Service. When telegraphs came to be, suddenly two people from accross the world could speak to each other in seconds. Whereas the Pony Express took a lot of time to get from just one city to the next.
If its multiple choice than abstract images, and north american birds.
Answer:
the answer is B. diffusion of water through a selectively-permeable membrane
Explanation:
<u>Osmosis</u>
<em>a process by which molecules of a solvent tend to pass through a semi-permeable membrane</em>
Answer:
Create irrigation systems to provide water for their fields.
Explanation:
Answer:
B. African port cities grew in importance.
Explanation:
APEXXX!!!!!
