I need help on this it’s due today!!!

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

What layer of the atmosphere is directly above the troposphere?

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.