Milly way galaxy 18. How are the large and small Magellanic Clouds interacting with our very own Milky Way Galaxy?
179,000
19. How do the stars in the large and small Magellanic Clouds differ from the stars in our Milky Way?
20. What is known to be at the center of most galaxies?
21. What is dark matter? How can we detect it?
22. What is the best evidence for the existence of dark matter?
23. What is dark energy and how does it explain the expansion of the Universe?
24. How does the decrease of gravity among galaxies as they move away from each other cause an increase

the answer is 303.15 or 303

answer; talc and gypsum;

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.