In the late 1800s, American cities suffered from serious environmental pollution due to the smokestack emissions from hydroelectric power plants. The correct answer is D.
Answer: I think 3million.
Explanation:
Answer:
Inner core... you need to elaborate when you aske a queston.
Explanation:
The inner core has a raduis of 1,220 about 20% of Earths radius. The inner core is made up of iron and nickel.
<span>The Islamic Empire spread across parts of Africa, Europe, and Asia. The empire was very powerful, and also very warlike.</span>