Because those are words we use to stand for different places, so that
people can tell which places we're talking about. It's a lot like why some
people are called Steven and others are called Barbara.
Southern Hemisphere
There is a 180-degree difference between a compass in the southern hemisphere and one in the northern hemisphere. This is due to the magnetic field lines of the Earth, which determine the orientation of the compass needle based on the geographic location.
Southern
Northen Hemisphere
The main difference between the northern and southern hemispheres is in their seasons. When it's summer in the northern hemisphere, it's winter in the southern hemisphere, and vice versa. This is due to the tilt of the Earth's axis as it orbits the sun. Additionally, the night sky is different in each hemisphere, with different constellations visible.
the northern hemisphere, as it is north of the equator.
the northern hemisphere, as it is north of the equator.
north hemisphere has more land
Portugal is in southern Europe, Europe in total lies on northern hemisphere.
The Equator.
This depends on which hemisphere you are in. Mid-spring in the Southern Hemisphere occurs in mid October. Mid-spring in the norther hemisphere occurs in mid April.
Because the Northern hemisphere has alot more land mass than the Southern hemisphere.