Answer: The correct answer is : Plenum
Explanation: This space between the roof and the next level floor is generally one to three feet wide in order to allow ventilation systems that can economically collect the air returned from the offices on the floor. The plenum is a closed space where there is air and other gases at low speed and with a little higher pressure than the atmosphere.
Answer:
Federalism is a mixed or compound mode of government that combines a general government (the central or "federal" government) with regional governments (provincial, state, cantonal, territorial or other sub-unit governments) in a single political system.
Explanation:
Answer:
Ordinal level
Explanation:
Ordinal level of ranking consists of only categories in which the data can be arranged in a specific order. This level of measurement is used for giving names and categorizing of items and includes ordering of items.