8. Which of the following statements is the reason that the length of daytime varies from place to place? A. Because Earth rotates on its axis B. Because Earth's axis is perpendicular. C. Because Earth revolves around the sun. D. Because Earth's axis is tilted by 23.5 degrees. 9. What is the position of North Pole during June? A. The North Pole is tilted toward the sun. B. The North pole is tilted away from the sun. C. The North Pole is located directly from the sun. D. The North Pole will be pointing away from the sun.​