Answer: The temperature is around 1000°C at the base of the crust, around 3500°C at the base of the mantle, and around 5,000°C at Earth's centre.
Explanation:
Answer:
King Ferdinand and Queen Isabella of Spain agreed to fund his voyage because they believed that if a whole new sea route was to be discovered that landed in the Indies it would help Spain have the upper hand in the competition against Portugal. How did the Europeans respond to the news of Columbus's first voyage?
Explanation:
Harriet Tubman was an escaped slave who became a “conductor” on the Underground Railroad, leading slaves to freedom before the Civil War, all while carrying a bounty on her head. But she was also a nurse, a Union spy and a women's suffrage supporter.
An oligopoly is a market structure in which the market is shared between a few firms, this few firms sell identical or differentiated products , and the industry has significant barriers to entry.
The automobile industry considered an oligopoly because there are few leading auto manufacturers which are having significant influence over the industry. All these firms sell identical products. And the last characteristic of an oligopoly is also there: it is very hard for a firm to entry this market because production costs are huge.
