Seasons change because the axis of the earth is tilted by 23.5 degrees (from a line perpendicular to its orbit).
(Seasons; change; because the axis of the earth is tilted by 23.5 degrees (from a line perpendicular to its orbit) (the axis of the earth; is tilted; by 23.5 degrees (from a line perpendicular to its orbit)
Seasons the axis of the earth
change is tilted
because the axis of the earth is tilted by 23.5 degrees (from a line perpendicular to its orbit
by 23.5 degrees (from a line perpendicular to its orbit