Halo Stars are the <span>very old and dispersed </span>stars bordering the outer reaches of Segmentum Obscurus.<span>
Halo stars observed in the galactic disk are easily detected because they </span>move at an angle across the disk.
<span>B. landforms created from secondary landforms is not necessarily considered as a classification for landforms.
</span>
Triangular trade refers to the three legs of the trade system. -The first leg was the of trade was from Europe to Africa where goods were exchanged for slaves. -The second or middleleg of the trade was the transportation of slaves to the Americas
Explanation:
a green and sustainable city is a community of residents, neighbours, workers, and visitors who strive together to balance ecological, economic, and social needs to ensure a clean, healthy and safe environment for all members of society and for generations to come.