An element has an atomic number of 16. An ion of this element has a 2- charge. How is the ion formed?

What does earth’s rotation on its axis cause? the tides night and day passing of years phases of the moon

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

Which type of precipitation would most likely form when the surface air temperature is slightly below freezing and the air temperature increases as you move upward away from the ground?