Answer:
output/input=productivity
Explanation:
measure of how resources are being used.
Plague is an infectious disease caused by bacteria called Yersinia pestis. These bacteria are found mainly in rodents, particularly rats, and in the fleas that feed on them. Other animals and humans usually contract the bacteria from rodent or flea bites.
Answer:
Andrew Carnegie: Steel Magnate
Over the next few decades, he created a steel empire, maximizing profits and minimizing inefficiencies through ownership of factories, raw materials and transportation infrastructure involved in steel making. In 1892, his primary holdings were consolidated to form Carnegie Steel Company.
Explanation:
