Because the tilt means that the respective hemisphere is lit by the Sun more vertically at some times and these times will therefore be summer, and when the Earth tilts away from the Sun we have winter in that hemisphere. So summer in the northern hemisphere is winter in the southern.
It's tilt The tilt of its axis
This tilt is what causes the seasons.
its earths tilt on its axis orbiting the sun
the tilt of the Earth's rotational axis
The tilt of Earth's axis causes the seasons, no matter what zone you refer to.
Thr tilt of the Earth's axis .
The earth orbiting the sun and the tilt in the earth's axis or rotation.
The seasons, because of the tilt of the Earth's axis.
The earth orbiting the sun and the tilt in the earth's axis or rotation.
The earth orbiting the sun and the tilt in the earth's axis or rotation.
The earth orbiting the sun and the tilt in the earth's axis or rotation.
The tilt of the Earth's axis is why there are seasons. =)