Metallic luster is your answer
Answer:
Europa
Explanation:
There are 4 Galilean moons and Europa is the smallest. Scientists believe that there is ocean below the sheet of ice.
I'd say A: tidal waves. B, C, and D don't really seem to fit for me.
Answer:
Yes, vaccination should be mandatory because without it all of us would slowly died from not having a cure. According to research people, they said; "vaccination will helps you to stay healthy. It also are important to your overall health such as diet and exercise."
Explanation: