Answer: Just like the Earth turns so that there is day on one side and night on the other, it also tilts up or down to reflect the seasons. In December the Earth tilts up, so that the Northern part is further away from the sun, giving those countries winter. The southern part is closer to the sun, giving them summer. In June the Earth tilts down, reversing the seasons. This is why very northern countries and states like Alaska in the winter will see very little light in winter. Some places in the north it is dark 24 hours a day for most of winter. When they have summer, it is light most of the time.
Step-by-step explanation: