the different seasons and the length of day and night varies from place to place
Days & Years.
no they are not
24 i think.
A year.
Uranus
earthquake
The earths magnetic field results from deep in the earths core. Magnetic conduction from within the earths core is believed to be the cause of this.
Seasons
Rotation and Revolution.
because of the earths rotation and revolution.
a revolution
A year is based on the time it takes Earth to do one revolution or orbit of the sun.