Answer:
An appositive is a noun or noun phrase that renames the noun next to it. For example, if you said, "The boy raced ahead to the finish line," adding an appositive could result in "The boy, an avid sprinter, raced ahead to the finish line."
Explanation:
Im thinking it is a prefix. i may be wrong though
Answer:
"I've already got a dozen gangs strung out up the Yukon getting out logs."
Explanation:
The layers of the atmosphere differ in temperature and density.
Answer: Maps,you had to buy maps to find your way to places.We needed a more portable way to find a location.
Messaging,you had to send letters to people,and you would never know when they would be received.We had the need to talk to people from different places.