i think the best answer for this question is C)
<span>If a modern astronomer describes a faint star as being in the constellation cygnus, the swan, you know that the star is: </span><span>Somewhere within a particular region of sky having definite boundaries
</span>The swn of the constellation cygnus is located on northern part of the constellation. This means that the location is limited to the plane part of the milky wat.
When dead body parts decay.
Answer:
glass like.
Explanation:
Like obsidian, if you break it it will be really sharp.