<u>Answer</u>:
Delta, Forest, Plateau and stream are the natural regions.
<u>Explanation</u>:
Delta is the old stage of the running water landforms which is created at the mouth of the river. Forest is a group of trees formed in densely manner and Plateau is the landform which took several milion years to form. Stream is the running water system which originates from the glacial or mountain. Denver is one of the cities in the Colorado state and Georgia is a state in USA which is created by man made activities. North America comes under the category which is delineated by the humans.
Equator is the answer to the question
<span>Factories and their corresponding jobs were located in cities and created economic opportunities for migrants.</span>
The appropriate choice for the non-event is ...
... A. The costs of sewing machines began to increase.
_____
Interchangeable parts generally reduce costs and increase demand (and production).
