Parliamentary system, Constitutional monarchy, a government that has a king or queen but is ruled by the people( prime minister, parliament, etc)
The correct answer is a testable idea.
A Hypothesis is a assumed explanation for a certain event or phenomenon. For a hypothesis to be accepted for scientific research, first and foremost, the hypothesis should be able to undergo research or testing. It must hold the element of being testable for it to be proven.
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.
Answer:
Land is considered the primary factor of production. Land is rich in coal, water and petroleum, which are used for generating power. Land is required to construct factories and industries to carry out the production process. A nation's economic wealth is directly related to the richness of its natural resources.
Explanation: