D. They are both mixed economies.
Answer:
The principle of confidentiality is about privacy and respecting someone's wishes. It means that professionals shouldn't share personal details about someone with others, unless that person has said they can or it's absolutely necessary.
Answer: The most common unit is the watt (W), defined as 1 joule (J) of energy per second.
I do not know if this answer this question but I try my best
