<span>the spiral arms of the milky way was made of: D. younger stars and gaseous nebulae
The spiral arms of the mily way was organized into four spiral arms, and since it was made of younger stars and gaseous nebulae, Spiral arms typically contain a higher density of interstellar gas and dust than the Galactic average as well as a greater concentration of star formation</span>
Answer B. Continental shelf:
Explanation:
Just looked it on Nasa website says it forms on oceanic and continental plates
<span>Survei dan Dokumentasi</span>
A. Distribution of mineral deposits
