The Composition of the Interstellar Dust Suggests That It Is

question 36

Multiple Choice

The composition of the interstellar dust suggests that it is

• A) primarily produced by emission nebulae.
• B) composed primarily of hydrogen and helium.
• C) composed of particles that are a few millimeters in diameter.
• D) formed as coronal gas cools.
• E) formed primarily in the atmospheres of cool stars.

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