<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>
i don’t get why u did this but i’ll still answer
Submarine Canyon
Submarine Canyon's are steep-sided valley canyons cut into the seabed of the continental slope.
Answer:
Uses symbols
Are a good resource for long-range planning
Are used by meteorologists to create other maps
Explanation:
I don't know the process... but I do know something else. When mosquitoes bite they actually spit some of there spit in your arm. Also only female mosquitoes bite. That all I know.... sorry! Hopefully I helped a little!!