However, determining the precise beginning and ending to any "period" is often arbitrary, since it has changed over time over the course of history.
The answer is "B", varied ecological regions.
Oklahoma contains 10 distinct ecological regions. That is more ecological regions per square mile than in any other state by a wide margin.
The answer is B. Hope that helped!
Answer:
The jobs relating to mass business paved the way for a global economy that is present today; the presence of mass business throughout the continent, even the world, blossomed thanks to the steam locomotive.
Explanation:
For example, British iron production increased nearly 2,500% from 1796 to 1854, evidently due to the invention of the steam locomotive.
