B. It grew smaller as power was given back to the states
<span>t was the rise of large "factories" that caused an increase in pollution during the industrial revolution, since many of these factories relied on coal for power, which produced lots of exhaust. I don't know if this is one of you're answers.
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Cosmologists :)
Oceanographers study the ocean, meteorologists study the weather and geologists study rocks.
Answer:
Frederick Jackson Turner argued that overseas expansion was a "safety valve" to keep ambitious Americans content.
