Question

choose the sentence that shows correct capitalization.
marie curie was a polish chemist who conducted pioneering research on radioactivity.
marie curie was a polish chemist who conducted pioneering research on radioactivity.
marie curie was a polish chemist who conducted pioneering research on radioactivity.
marie curie was a polish chemist who conducted pioneering research on radioactivity.

Explanation:

• Names of people (Marie Curie) are proper nouns and should be capitalized.
• Names of nationalities (Polish) are proper adjectives and should be capitalized.
• General nouns like "chemist" and "research" (unless part of a title) are not capitalized.

Answer:

Marie Curie was a Polish chemist who conducted pioneering research on radioactivity.