Answer:
Why do you think the pace of development is not equal everywhere write in four points? The pace of development is not equal everywhere because capital investment is not equal everywhere. Without capital investment there can be no development.
Before the war in the 1800s and early 1900s, nation began a massive
I believe the answer is: The control group would be cars that were washed by hand
The control group exist in order to measure the result that created by subjects that recieve specal treatment (the special treatment in this case would be the automated car wash).
In the example above, the result from automatic car wash would be controlled by comparing it to the result from handwashed cars.
