1st one is the correct answer
In 1946,Eleanor Roosevelt served as a chair of the United Nation Commission on Human Rights
Answer:
um the same way you spelled it. lol
Explanation:
The correct sentence is the second one "She built a high-performance CPU".
The first sentence should not contain a comma and is incorrect. The third sentence is incorrect because there shouldn't be a dash before CPU. The fourth sentence is incorrect because CPU is not written with dashes.
