Answer:
c. Earth’s axis is tilted with respect to its orbit, so, as it revolves around the Sun its tilt with respect to the Sun changes, resulting in four seasons.
Step-by-step explanation:
Earth’s tilted cause the four seasons in different parts of earth. In summer, the surface of earth is present directly to the sun causes high temperature of that region while on the other hand, the same region experience cold temperature in winter due to tilt of the earth which does not allow the solar radiation comes directly to that region of the earth that leads to cold temperature.