<span>Answer:
Choice B - station B Precipitation occurs when the air temperature and the dew point temperature are the same. It also occurs where there is 100% cloud coverage.</span>
The right answer is the option a, part of a binary system<span>. A binary system is two astronomical bodies which orbit one around each other due to the gravitational atraction that they mutually exert on each other. . On the other hand, Sun is a yellow star, a main sequence star and of average absolute magnitude. </span>
1. B
2. B
3. C
4. C
5. D
6. C
7. C
8. D
9. C