D. Binary Stars
Well, galaxies are not stars at all rather they are collection of stars, nebulae, globular clusters and stuff like this.
Meteoroids are something entirely different.
Constellations are the pattern of stars.
So, "Binary Stars" is the Right One.
I believe gamma decay but i may be wrong
Answer:
When work is being done, the practie of labor is being performed. When work isn't being completed, this is a sign of procrastination.
Explanation:
In the answer.
C. Textiles
It was the first thing mechanized in the Industrial Revolution