Spiral Density Wave Theory and Self-Sustaining Star Formation Are Ways

question 9

Multiple Choice

Spiral density wave theory and self-sustaining star formation are ways to explain why ____.

• A) stars orbit the galaxy with different periods at different distances from the center
• B) sun-like stars are evenly distributed through the disk of the galaxy
• C) dark matter affects the orbit of stars outside the visible disk of the galaxy
• D) molecular clouds are compressed forming young stars along spiral arms
• E) the central bulge of the galaxy has a "bar" shape

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Exclusive Distribution

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Point of Difference

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Exclusive Distribution

A distribution strategy where a product is sold exclusively through a specific retailer or distributor.