Answer:
Theory
Explanation:
A hypothesis is a prediction made from limited evidence as a starting point for further investigation.
Pull factors are reasons why groups of people leave a particular place.
Answer:
hope this helps
Explanation:
Christmas celebrations in the Southern Hemisphere are much different then the celebrations that take place in the Northern Hemisphere. The heat of early summer has an impact on the way people south of the equator celebrate Christmas. In the Southern Hemisphere, the holidays fall when the days are warmest and longest.
In April of 1869, he obtained a patent for one of his most important inventions, the air brake. This device enabled trains to be stopped with fail-safe accuracy by the locomotive engineer for the first time and was eventually adopted on the majority of the world's railroads