<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:
D. 800 feet
Explanation:
Since the scale is 1:9,600
Then 1 inch on the map would represent 9,600 inches
12 inches= 1 foot
Then the 9,600 inches is divided by 12 inches = 800 feet
<span>There wasn't many vaccinations back in the day and medicine slowly developed through years passing by. Also eras such as the Black plague and others really helped develop medicines and vaccinations moving forward for people to use.
Hope this helps.</span><span />
Dinosaurs. I do not know the specific one, but the animals that dominated the Mesozoic era was dinosaurs.
