Answer:
The good answers here are:
A. They are more reflective (higher albedo) than most of the terrestrial planets.
C. They are larger than the terrestrial planets.
Explanation:
Light colored clouds found there have a better, reflective albedo. And both planets are so much bigger than Earth, they´re the biggest planets of our solar system. These are some factors of their brightness in our sky.
The thinnest layer of the sun is the corona
Pretty sure it’s air pollution
Water because they might have a competition over it
The answer is C. Norway, Sweden and Finland.
Hope it helps.