The practice which is not sound in conducting individuales is C) conducting in-person interviews and telephone interviews in the same poll.
In-person interviews deliver the most representative results. Telephone surveys provide a good alternative but they need using a larger sample.
A concept of federalism where local, state, and national governments interact cooperatively and collectively to solve common problems separately, but more or less equally (dual federalism).
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Answer: A mixed economy consists of both private and government/state-owned entities that share control of owning, making, selling, and exchanging good in the country. Two examples of mixed economies are the U.S. and France.
Answer:
Your answer should be B.) mediterranean sea
Explanation: