In a prominent model of self-administration developed by George Koob, rats are allowed to self-administer cocaine for either 1 hour each day (short access) or 6 hours each day (long access).
Answer:
Political borders were decided by European powers without consideration of the political and historic connections in the region.
Explanation:
After the fall of the Ottoman Empire, a power vacuum was created in South West Asia.
This power vacuum attract many empires within the region which previously have to live under the Ottoman's shadow. They wanted to rise up and took the territories that previously under the ottoman's control.
Since none of the empire was particularly stronger over the other, Ottoman's past conquests were separated into smaller chunks which controlled by different empires.
After the hostile takeover, many of the new conquerors forced the past ottoman citizens to conform to the new traditions and religion and abandon the old ones. Which is why political and historic connections in the past ottoman's region gradually forgotten over time.
Answer:
Explanation:
Tariffs are taxes on imports. They effectively raise the prices of those imports, providing an edge to domestic companies in the same markets. Governments usually impose tariffs to help domestic companies, or sometimes to punish foreign competitors for unfair trading practices.
How do tariffs work to protect infant industries? ... They shield new industries in the early stages of their development from the competition of more mature rivals. They raise the trade barriers for imports of child-care products. They increase competition for a new business, forcing it to be more productive.
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The answer is: pseudostratified ciliated columnar epithelial cells.
We can find these type of cells in the upper part of the trachea and bronchi, and through the whole upper respiratory tract (nasal cavity included).
Their job is to produce a mocous secretion (look up <em>cilia</em>) help us to stop external, microscopical, materials from entering our lungs, and so we can sneeze and cough them away.
