Answer:
Yes
No
Yes
Explanation:
The first is yes because each person may work for different periods of time, thus resulting in many different answers!
Second is no because there are a strict, unchanging amount of hours in a day. There would be no variety in each answer.
The last is yes because each month has different conditions in which rainbows could occur. Like in December youll get little to no rainbows because theres no rainfall. But in july you can get many rainbows!