what is galaxy????
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sis hope it's works hehhehe...
Explanation:
A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems. A galaxy is held together by gravity. Our galaxy, the Milky Way, also has a supermassive black hole in the middle. ... Some scientists think there could be as many as one hundred billion galaxies in the universe.
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3
Explanation:
Economics is the study of how humans make decisions in the face of scarcity. These can be individual decisions, family decisions, business decisions or societal decisions. ... Scarcity means that human wants for goods, services and resources exceed what is available
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