Answer:
B) The new railroad made travel faster and easier resulting in accelerated westward expansion.
have a nice day!
Answer:
the pic isn't clear take a clearer one
1. your in the wrong subject
2. The trend line or line of best fit is used to describe the relationship of data in a scatterplot because it shows a general trend in the data points. A trend line will get you the most accurate predictions you can out of scattered data points.
Answer:
Inner core... you need to elaborate when you aske a queston.
Explanation:
The inner core has a raduis of 1,220 about 20% of Earths radius. The inner core is made up of iron and nickel.