1. The amount of hours in a day 2. Changing the angle of the sun 3. refraction of light 4. Changing the temperature 5. the ground shaking 6. exposure to cold 7. Closing the blinds 8. a hemisphere is tilted away from the sun

Fact 1: When the season changes , the amount of daylight will change. Fact 2: Causes seasons by changing angle of sun. Given the two facts above, what will change the amount of daylight?
Answer:
2.