<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>
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Some examples of a hydrosphere are:
- Seas – the Black Sea, Caspian Sea, Persian Gulf, Adriatic Sea, Mediterranean Sea, and the Red Sea.
- Glaciers,
- Lakes.
- Rivers.
- Streams.
- Clouds.
<h3>What is a Hydrosphere?</h3>
This refers to the total amount of water on a planet and includes water that is on the surface of the planet, underground, and in the air.
Hence, we can see that some of the components of a hydrosphere are liquid and frozen surface waters, groundwater held in soil and rock, and atmospheric water vapor.
Therefore, Some examples of a hydrosphere are:
- Seas – the Black Sea, Caspian Sea, Persian Gulf, Adriatic Sea, Mediterranean Sea, and the Red Sea.
- Glaciers,
- Lakes.
- Rivers.
- Streams.
- Clouds.
Read more about hydrosphere here:
brainly.com/question/2036054
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