Which of the Following Are Small Dark Nebulae About 1

question 95

Multiple Choice

Which of the following are small dark nebulae about 1 light year in diameter,with masses from 10 to 1,000 solar masses?

• A)HII regions
• B)emission nebulae
• C)Bok globules
• D)reflection nebulae

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Research aimed at solving practical problems or answering specific questions rather than gaining theoretical knowledge; it has direct, immediate application.

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