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.
Answer:
Explanation: The answer is B and A.
The Supreme Court is the apex court. The court of appeal is next to the Supreme Court. While the District court is the lower court.
The system of choosing the United States president is through the electoral college.
It limited the power of the king