How do the Sun's luminosity and apparent brightness compare with those of other stars? O A. The Sun's luminosity is average, and it has the least apparent brightness B. The Sun's luminosity is above average, and it has the greatest apparent brightness. O C. The Sun's luminosity is average, and it has the greatest apparent brightness O D. The Sun's luminosity is below average, and it has the least apparent brightness.

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases