Answer:
The use of chemicals and fuel in factories resulted in increased air and water pollution and an increased use of fossil fuels. Coal burning caused increased acid rain, which is a phenomenon that occurs when pollutants are released into the atmosphere and then fall back to earth as precipitation.
Explanation:
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Im confused for what we right about
Answer:
Influx of gold and silver
From an economic viewpoint the discovery of new silver and gold deposits as well as the productivity increase in the silver mining industry perpetuated the price revolution. ... Also during this time the Spanish and Portuguese brought a large amount of gold from the New World to Europe.
Despite its reputation for brutal warfare, the Mongol Empire briefly enabled peace, stability, trade, and protected travel under a period of “Pax Mongolica,” or Mongol peace, beginning in about 1279 and lasting until the empire's end. But Genghis Khan's death in 1227 ultimately doomed the empire he founded.
Explanation:
Answer will be D They were developed by early historians