<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:
National flag: blue black and white
National flower : Cornflower (Centaurea cyanus)
National motto of the country: none
Answer:
The seismic waves are bent, sped up, or slowed down, or even reflected when they pass through the earth's layers. ... Bending of the waves occurs at the layer's boundaries. So, scientists study the path and speed of these waves through the earth to decipher boundaries and the materials that make up the layers.
Explanation:
i looked that up so dont give me credit. also seismic waves are basically the waves that are produced from earthquakes. and not like waves in an ocean itskinda like gravity waves in a way
