Answer:
Standard Oil became a horizontal integration monopoly because it owned ninety percent of US oil refineries. It became a monopoly because it bought almost all of the competitors so that it managed to control almost all oil production, processing, marketing, and transportation in the United States.
<span>A baseline for an experimental investigation is provided by the "Hypothesis"
Hope this helps!</span>
Leonardo da vinci believed that by working with the human body that<span> he was also working with the universe. The human body was used as an analogy in regards to the universe.</span>
Answer:
Option D.
The AIDS has become the global pandemic in recent years.
Explanation:
- AIDS is the disease caused by HIV retro virus. It suppresses the immune system and causes gradual sickening of the host and finally death.
- The Black Death or Plague is the disease that affects humans and mammals. It is caused by bacteria and human suffer when bitten by rodent flea or handling of animals infected. It was one of the worse pandemics in the 14th century in Europe.
- The Spanish flu was the disease that became pandemic in 1918. It is caused by virus H1N1 influenza virus, similar to the virus of birdflu.
